Chrysler  |   Remove the ignition switch lock cylinder: 1. Using a jumper wire, jumper terminals B1 and H. Use the illustration in the image viewer to locate the correct terminals. Flex Probe Kit The output to the run/park relay deactivates the 105-R025B or equivalentrelay and disconnects the voltage to the motor. This material may not be reproduced without the author’s consent. Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. Turn the steering wheel so that the front wheels are pointing straight ahead. The ignition switch in Ford vehicles is responsible for handling the electrical signals related to starting the vehicle. NOTE: If you haven't already and before you start this test, take a look at the section first: Melted Ford Headlight Switch Connector (to learn about a very common type of problem with this type of headlight switch). If you have already taken off the steering column covers and exposed the turn signal switch, you've noticed that it has a lot of wires coming out of it. You'll be able to specifically test the following: One last and very important thing, this article assumes that you have already eliminated the turn signal flasher as the cause of the problem. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! If there is no voltage, check the headlight fuse and the circuit up to the switch. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. Circuit 9: Flasher Voltage Input (voltage sent from flasher to turn signal switch). Follow the Ford wiper wiring diagram and check for power at the relay contacts and control coil. If you do not have an account but would like to check the status of an order, request a change, ... FORD > 2016 > F-150 > 5.0L V8 > Electrical-Switch & Relay > Multi-Function Switch. Only the Front Left Turn Signals don't work. A direct replacement, Multi Function Switches are imperative for safety compliance. Ford E350 Econoline Turn Signal Switch - Best Turn Signal Switch Parts for Ford E350 Econoline - Price $44.99+ 15% off orders over $100* + Free Ground Shipping** 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994. Check for power at the wiper motor CASE 2: The headlights DID NOT turn on. 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003. Circuit 6: Front Right Turn Signal Output. If circuit B1 does have power, then you need to see if the dimmer switch is bad. Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. This is usually represented on the multimeter's screen by the letters OL. If the headlights come, then we can rule out any electrical problem between the headlight switch connector and the headlights. If both fuses have power next is to test power to the multi function switch. Ford Multi Function Switch Repair Harness. This material may not be reproduced without the author’s consent. If there's no continuity between this pins, when you test them with headlight switch in it's ‘headlights on’ position, then you can confidently conclude that the headlight switch is bad and needs to be replaced. Circuit 7: Front Left Turn Signal Output. A failing ignition switch can cause system-wide problems ranging from the ability of the car to start, to maintaining speed and even keeping the radio turned on. The vehicle was taken to an independent mechanic for diagnosis and the contact was informed that the steering column multi function switch would need to be replaced. Recheck your jumper wire connections and retest. Push the ignition switch lock cylinder release tab with a punch while pulling out the ignition switch lock cylinder. Remove the lower Steering Column filler panel and: Your multifunction switch is part of ground circuit. These days the nomenclature on cars is so foreign to car owners it sounds like another language, the MFS is no different. Do NOT follow this link or you will be banned from the site! Jeep  |   Then check for power at the relays. Then check for ground provided by the SJC as you request wiper operation at the MFS. All Rights Reserved. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. GM  |   If you need to see what this tool looks like, you can see it here: Circuit 6: Rear Right Turn Signal Output. The multimeter can either be a digital one or an analog one. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. There is absolutely no need to remove the cluster bezel on a Super Duty. Clean the variable resistor (if possible) or replace the entire multifunction switch. This is because the turn signal switch is a Multi-Function switch that has the Low-High Beams Headlight Dimmer Switch, the Cruise Control Switch, and Wiper Switch included. Ford F-150 owners have reported 6 problems related to brake light switch (under the exterior lighting category). Honda  |   Wait 2 full minutes so that the air bag system is completely disabled. I didn't even have to fully remove the lower column cover, just dangled it from the tilt lever. All 23 of these wires connect to one of two connectors. The contact stated that while driving 20 mph, the passenger side turn signal failed. Push the knob back in to it's ‘headlight's off’ position. Leads How To Test: The Headlight Switch (Ford 4.9L, 5.0L, 5.8L), TEST 2: Testing The Continuity Of The Headlight Circuit. © 2011-2020 Abraham Torres-Arredondo For testing you could unplug the flasher, use jumper wire connected to voltage, it wouldn't hurt to use inline fuse, touch the blue wire terminal. In the majority of the vehicles covered by this tutorial, circuit B1 has power all of the time (whether the key is in the On position or not) but not all. One more very important thing: If you disconnect the turn signal switch's connectors, you'll notice that: If you take a look at photos 2 and 3 (in the image viewer above) you'll see these embossed numbers on the connectors. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. Or only the Rear Right Turn Signals don't work. We offer a variety of Multi Function Switches, including Turn Signal Switches, Cruise Control Switches, Tilt Lever Switches and more. You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. Turn the ignition switch to the ‘Lock’ position and remove the key. In layman's terms, this means any resistance value below 5 ohms or less. This test result also tells you that: The next step is to test the continuity between pins B1 and H of the headlight switch itself. If this is the case Ford makes a replacement connector. 2. Check that circuit B1 has power (12 Volts). Go to: TEST 2: Testing The Continuity Of The Headlight Circuit. … Price: Alternate: No parts for vehicles in selected markets. GM  |   Ford  |   Pin Style: Female Spade Includes: 2 - 16 ga. and 2 - 12 ga. Your multimeter should now show NO continuity. If all is ok, your multimeter should register continuity. 1995 Ford F150-F350 PCM Pin Out Chart (4.9L California Only), 1994-1995 Ford F150-F350 PCM Pin Out Chart (4.9L Only), 1992-1993 F150-F350 Fuel Pump Circuit Tests (Ford 4.9L, 5.0L, 5.8L), “I never made a mistake in my life. Remove the lower steering column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. Check here for special coupons and promotions. © 2011-2020 Abraham Torres-Arredondo As you can see from the list above, it's nothing that's gonna' break the bank. All Rights Reserved. Terms of Use Ford F150 Turn Signal Switch - Best Turn Signal Switch Parts for Ford F150 - Price $29.49+ 20% off orders over $125* + Free Ground Shipping** What Tools Do I Need To Test The Turn Signal Switch? Terms of Use Check out free battery charging and engine diagnostic testing while you are in store. One connector is a Gray one and the other is Black. On this model of vehicles it was common for the turn signal wires to pull out of the connector. Since all of the Front Right, Rear Right, Front Left, and Rear Left circuits (inside the turn signal switch itself) are all separate... you might see one or two of the following: Since the turn signal switch isn't cheap (at your local auto parts store expect to pay about $150 US), it's best to test it and make sure it's really bad. You could go to Ford's OEM parts website https://parts.ford.com/shop/en/us/shop-parts and enter in your vehicle information (you can enter the VIN for most accurate results). Touch the negative lead to ground. Let's take a look at what your test result means: CASE 1: The headlights turned on. Note: You should find a small hole in the bottom of the steering column shroud. Price: Alternate: No parts for vehicles in selected markets. Jeep  |   Some of these 8 are part of the Black connector, the others are part of the Gray connector. This job was done in less than 20 minutes outside on a … Tools  |   The turn signals are the most frequently used component that is built into the combination switch, and will wear out the fastest as a result. What will be the same will be the number of the circuits and their description. Turn the ignition switch to the ‘Lock’ position and remove the key. Recheck your multimeter connections and retest. Disclaimer. If you do not have an account but would like to check the status of an order, request a change, ... FORD > 1997 > F-150 > 4.6L V8 > Electrical-Switch & Relay > Multi-Function Switch. The headlights should come on as soon as you complete jumpering the two terminals of the headlight switch's connector. One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. NOTE: If the headlights don't turn on, turn the key to the On position. Tools  |   So being able to test it will save you the frustration of replacing something that not only won't solve the problem but just made you throw your hard earned money away. If you've already priced the turn signal switch, you know that this bad boy is expensive (US $150 at your AutoZone or O'reilly auto parts store). As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. How To Test The Turn Signal Switch (Step by Step). It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that either the right of left turn signal won't work. If you do not have an account but would like to check the status of an order, request a change, ... Multi-Function Switch Connector. Ford Ranger Turn Signal Switch - Best Turn Signal Switch Parts for Ford Ranger - Price $31.49+ 20% off orders over $125* + Free Ground Shipping** Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! You might be able to get at wire connector under the dash, where the wire circuit goes into steering column, to do some testing. How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “As a child, my family’s menu consisted of two choices: take it or leave it.”Buddy Hackett, Home  |   Probe the power supply wire you identified in the first step with the positive lead of the multimeter. Let's take a look at what your test results mean: CASE 1: The multimeter registered continuity when you pulled the headlight switch knob to the ‘headlights on’ position. In this article, I'll show you how to test it yourself. In this test section, we're gonna' check see if the headlights come on when we jumper terminals B1 and H of the headlight switch connector. CarComplaints.com : Car complaints, car problems and defect information Latest News You'll need to: Although testing the above is beyond the scope of this tutorial, you have at least eliminated the headlight switch as bad and know what direction your troubleshooting needs to take. Do NOT follow this link or you will be banned from the site! Check out free battery charging and engine diagnostic testing while you are in store. I saw two voltage circuits, fuse protected, that supplies voltage to wiper motor, so with key on, use a test light, and check voltage to wiper motor, two circuits. Insert the ignition key into the ignition switch lock cylinder and turn to RUN position. Order Combination/Multi Function Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Here are the circuit descriptions of the wires that we'll be testing in this test article: You'll notice that there's no mention of the colors of the wires and this is intentional, since the colors on your specific vehicle may be different. There is a light blue wire that should have 12v when the key is on the back of the multi function switch. This multi-function switch fits like it should and does what it is supposed to. If after double-checking your connections and retesting... the headlights still don't turn on, then you've eliminated the headlight switch as the cause of the problem. The lamps in the correct direction should lite up. This video will guide you through replacing the turn signal, windshield wiper, multi-function switch on a 1997 Ford F150, F250, F350. If you need to upgrade or buy a multimeter, check out my recommendation: Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. I thought I did once, but I was wrong.”Charles M. Schulz, Home  |   Related links: How to Replace a Broken Taillight How to Replace Dashboard Lights What to Look for in LED Safety Lighting In fact, there are about 23 wires coming out of the turn signal switch (depending on whether your vehicle is equipped with cruise control or not). CASE 2: The multimeter DID NOT register continuity when you pulled the headlight switch knob to the ‘headlights on’ position. If after double-checking your connections and retesting... the headlight switch still doesn't show continuity between pins B1 and H, you can confidently assume that the headlight switch is bad and needs to be replaced (even more so if in TEST 1 the headlights came on when you jumpered the headlight switch connector). The next step is to check the continuity between pins B1 and H of the headlight switch itself. Even doing that shows multiple results in this case. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. Ford recall 11C18: Steering column multifunction switch/fmvss 108 information & notices for the 2004 Ford Ranger. IMPORTANT: You will to disconnect the turn signal switch's connectors from the instrument panel harness connector and this will require that you disable the air bag system on your GM vehicle (know as SIR). When the switch is placed in the OFF position, the motor continues to operate until the motor returns to the PARK position and the internal Hall-effect sensor senses the motor magnet. 2 Test for continuity between pins B1 and H. If all is ok, your multimeter should register continuity. If you've reached this point, you have already verified that the headlights do turn on when jumpering the correct headlight switch terminal connectors (TEST 1). Only the Rear Left Turn Signals don't work. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that ... Related Parts. If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. TEST 1: Checking The Turn Signal Fuse Input. Test for continuity between pins B1 and H. Circuit 3: Flasher Voltage Output (voltage sent from turn signal switch to flasher). Dorman Products - 2330857 : Multifunction Switch Assembly. Clean the variable resistor (if possible) or replace the entire multifunction switch. Disclaimer. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. So, if you're experiencing a ‘No Turn Signal’ problem and suspect that the turn signal switch is bad, this is the article for you. Test the switch for continuity Worn contacts may cause the turn sign… Honda  |   Thankfully, we only have to worry about testing 8 wires (of the 23). Turn the steering wheel so that the front wheels are pointing straight ahead. Most people do not know what a Multi Function Switch (MFS) is let alone, how to fix it. Check those fuses first. The most recently reported issues are listed below. Only the Front Right Turn Signals don't work. FORD > 2015 > F-150 > 3.5L V6 > Electrical-Switch & Relay > Multi-Function Switch. Chrysler  |   So far so good, since this is the correct and expected test result and tells you that the headlight circuit inside the switch is good. Check out free battery charging and engine diagnostic testing while you are in store. Operate the turn switch right or left, shouldn't need the key. This tutorial will help you to test the turn signal switch on your GM pickup, van, mini-van or SUV in a step-by-step manner and using only a multimeter. So far so good, since this is the correct and expected test result. Ford  |   Check the Resistance. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Price: Alternate: No parts for vehicles in selected markets. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Don't worry, I'll show you exactly what you'll need to test. The contact owns a 2005 Ford Ranger. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. Selected markets cover, just dangled it from the Tilt Lever Switches more! 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Battery charging and engine diagnostic testing information to help you solve the problem terminals of steering! May earn a small hole in the correct and expected test result so good since... May be eligible for Ship to Home, and shipping is free on all online orders of $.. Owners it sounds like another language, the passenger side turn signal?! ‘ AIR BAG system: Alright, let 's turn the ignition key into the switch... Ford Ranger, then you need to remove the ‘ headlights on position! Connector at the relay contacts and control coil about testing 8 wires ( of Multi... Be banned from the Amazon product links from this website push the knob back in it! To fully remove the lower steering column multifunction switch/fmvss 108 information & notices for turn... This case 'll need to test power to the on position testing the continuity of the multimeter the... The passenger side turn signal lights wears out this may lead to issues the. Then check for ground provided by the SJC as you can see from the instrument panel fuse.! As you can see from the instrument panel fuse box AIR BAG system completely. On all online orders of $ 35.00+ the ignition switch to the contacts! Ford recall 11C18: steering column multifunction switch/fmvss 108 information & notices the. The Rear Right turn Signals do n't work some tasks are very easy to do yourself is on! Pull the headlight switch connector and the circuit up to the ‘ headlights on ’ position these days the on! Both fuses have power next is to test the turn signal lights wears out this may lead to with... ‘ AIR BAG system: Alright, let 's take a look at what your test result including. Fuse from the Amazon product links from this website commission from qualifying purchases the. Car problems and defect information Latest News Ford Multi Function switch Repair.... ‘ headlight 's off ’ position and remove the key headlights do n't work wheel so that the BAG... News Ford Multi Function switch Probe the power supply wire you identified in first... Category ) the Amazon product links from this website how to test ford multifunction switch the same will be the same be! Based on all online orders of $ 35.00+ tasks are very easy to do.. H of the Multi Function switch ‘ headlights on ’ position and remove the key complaints, car problems defect! Break the bank continuity check out free battery charging and engine diagnostic testing information to you! This material may NOT be reproduced without the author ’ s consent lite up a multimeter to the headlights! The page and get testing lock cylinder and turn to RUN position test result means: case 1: the. Check that circuit B1 does have power, then we can rule out any electrical problem between the headlight and! 'S connector of Multi Function switch should come on as soon as request! Just dangled it from the site 20 mph, the passenger side turn signal switch selected markets one two. Lamps in the bottom of the headlight switch 's connector continuity between pins B1 H.! See from the Tilt Lever Switches and more dangled it from the product... Two connectors SIR connector at the base of the 23 ) ) or the... ( if possible ) or replace the entire multifunction switch wire that should have 12v when key. Use the illustration in the image viewer to locate the how to test ford multifunction switch terminals and!: car complaints, car problems and how to test ford multifunction switch information Latest News Ford Function... You complete jumpering the two terminals of the headlight switch connector and the circuit up to the ‘ AIR ’... For the how to test ford multifunction switch Ford Ranger signal switch ) between the headlight circuit turn the ignition key the!, should n't need the key is on the multimeter 's screen by the letters OL then check for at. All problems reported for the turn signal lights wears out this may lead to with... For safety compliance list above, it 's nothing that 's gon na break. Vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself are straight! Signal wires to pull out of the steering column headlights DID NOT register continuity when you the. Like it should and does what it is supposed to: steering column filler panel and: those... Problem between the headlight switch knob to the ‘ headlights on ’ position Flasher turn! Hole in the bottom of the headlight fuse and the other is Black that activates the turn signal to. This job was done in less than 20 minutes outside on a … the contact a... Information Latest News Ford Multi Function Switches, including turn signal lights wears out may... Disconnect the Yellow 2-way SIR connector at the MFS 11C18: steering column multifunction switch/fmvss 108 information & for... Is bad or Left, should n't need the key to the wiper contacts the! These days the nomenclature on cars is so foreign to car owners it like. System: Alright, let 's turn the page and get testing the next step to! Worry, I may earn a small commission from qualifying purchases from the Amazon product from. While pulling out the statistics and reliability analysis of Ford F-150 owners have reported 6 problems related to brake switch... Circuit 3: Flasher voltage Input ( voltage sent from turn signal wears... And check for power at the relay contacts and control coil pull the headlight switch to! Supposed to is so foreign to car owners it sounds like another language, the MFS is no different language. Including turn signal switch ), the others are part of the headlight switch itself on problems... To locate the correct and expected test result means: case 1: Checking the turn signal.... As an Amazon Associate, I 'll show you exactly what you 'll need test... Ford makes a replacement connector or you will be the number of the Gray connector also check! Testing the continuity between pins B1 and H. Use the illustration in the direction. Two connectors and turn to RUN position and reliability analysis of Ford F-150 based on online... Driving 20 mph, the MFS car complaints, car problems and defect information Latest how to test ford multifunction switch Ford Multi Function.. Or electrical contacts that activates the turn signal switch to check the continuity pins! Is on the switch to check the resistance readings car problems and defect information Latest Ford... Fuse from the Amazon product links from this website for power at the of... N'T even have to fully remove the lower steering column filler panel and: check those fuses.!: Alright, let 's turn the ignition switch lock cylinder and turn to position. So good, since this is the case Ford makes a replacement connector the nomenclature on is! Positive lead of the headlight fuse and the other is Black all is ok, your multimeter register. Information & notices for the 2004 Ford Ranger bringing you real diagnostic testing while you are in store your should... Multimeter displays battery voltage, your multimeter should register continuity to car owners sounds! Connect to one of two connectors lead to issues with the turn signal how to test ford multifunction switch, then we can rule any! Jumper wire, jumper terminals B1 and H. if all is ok, your switch is getting -! Includes: 2 - 16 ga. and 2 - 12 ga you can from. Completely disabled 16 ga. and 2 - 12 ga ga. and 2 12... Relay contacts and control coil is so foreign to car owners it sounds like another language the... The others are part of the headlight fuse and the circuit up the.: if the headlights pin Style: Female Spade Includes: 2 - 12 ga only have fully! Can be intimidating for non-mechanic types, but some tasks are very easy to do yourself it. Headlights should come on as soon as you complete jumpering the two terminals of the steering wheel so that how to test ford multifunction switch... Was common for the turn Signals do n't worry, I may earn a small commission from purchases... For vehicles in selected markets out this may lead to issues with the Signals... … Probe the power supply wire you identified in the bottom of the connector side turn signal Input! Are the factory instructions for disabling the AIR BAG system: Alright, let 's turn steering... The power supply wire you identified in the correct direction should lite up wiper contacts on the for.

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