Where is the blinker relay on a Ford Transit?

The blinker relay on a Ford Transit is typically located in the fuse box, which is usually found under the dashboard on the driver's side of the vehicle. The blinker relay is responsible for controlling the turn signal lights on the Ford Transit.

Understanding the Blinker Relay

The blinker relay is an essential component of the turn signal system in a Ford Transit. It is responsible for sending the electrical signal to the turn signal lights, causing them to blink on and off when the turn signal is activated. The relay acts as a switch, turning the turn signal lights on and off at the appropriate intervals.

Locating the Blinker Relay in a Ford Transit

To locate the blinker relay in a Ford Transit, you will need to access the fuse box, which is typically located under the dashboard on the driver's side of the vehicle. The fuse box will have a diagram or label that identifies the location of the blinker relay. It is usually labeled as the "turn signal" or "blinker" relay.

Steps to Locate the Blinker Relay

• Locate the fuse box under the dashboard on the driver's side of the Ford Transit.


• Open the fuse box cover to reveal the fuses and relays inside.


• Refer to the diagram or label on the fuse box to identify the location of the blinker relay.


• The blinker relay will be labeled as the "turn signal" or "blinker" relay.

Once you have identified the location of the blinker relay, you can inspect it for any signs of damage or wear and replace it if necessary.

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How to tell if a blinker relay is bad?

You can tell a turn signal relay is bad if the lights don't work at all, flash too quickly, or stay on solid. These are the most common symptoms, but other issues like a blown bulb can cause similar problems. To be sure, you can also use a multimeter to check the relay for continuity or replace the relay to see if the issue is resolved. 
This video demonstrates how to check the turn signal relay and replace it: 59sJoey's GarageYouTube · Jul 31, 2016
Common symptoms of a bad relay

• No flash at all: The turn signals don't work, either on one side or both. 
• Fast flashing: The turn signals blink much faster than normal. This is a very common sign that a bulb on that side is burned out, but the relay could be the cause if it's not working correctly. 
• Solid light: When you activate the turn signal, the light comes on and stays on without flashing. 
• No clicking sound: The relay doesn't make its characteristic "clicking" sound when the turn signals are on. 

Other potential causes

• Burnt-out bulb: A bad bulb is a very common cause for fast flashing or a solid light. 
• Blown fuse: A blown fuse can cause the turn signals to stop working completely. 
• Faulty switch: The turn signal switch itself can be the problem. 

This video explains the relation between turn signal switch and relay: 57sHumbleMechanicYouTube · May 17, 2017
How to test the relay

• Check for a bad bulb first: Before replacing the relay, check and replace any burnt-out bulbs on the affected side. This will solve the problem in many cases. 
• Use a multimeter: 
  • Set the multimeter to measure resistance (ohms) and connect the probes to pins 85 and 86 on the relay. 
  • A good relay will typically show a resistance between 505050 and 120120120 ohms. 
  • If you see "OL" (open line) or 000 ohms, the coil is bad, and the relay needs to be replaced. 
• Try replacing the relay: A bad relay is often an inexpensive part that's easy to replace. If you replace it and the problem is fixed, you've found the issue. 

Where is the blinker relay located?

The turn signal relay is typically located inside a fuse box or a cluster of electrical components behind the dashboard, often near the steering column or in the driver's side footwell. To find it, turn on the turn signal and listen for a clicking or buzzing sound; the relay will be the component making the noise. The exact location and appearance can vary significantly between vehicle models, so consult your owner's manual for the most accurate information.
 
This video shows how to find and replace a turn signal relay in a 2013 Ford F-150: 59sThomas of All TradesYouTube · Sep 28, 2023
Methods to locate the turn signal relay

• Listen for the sound: Turn your vehicle on and activate the turn signal. Walk around the vehicle and listen for a clicking or buzzing sound. This sound will be loudest at the source of the relay. 
• Check the fuse box: The relay is often housed in a fuse box, which may be located under the hood or inside the cabin. 
• Look behind the dash: Many modern vehicles have the relay located behind a panel on the dashboard, usually on the driver's side near the steering column. 
• Refer to your owner's manual: The most reliable way to find the exact location is to check your vehicle's owner's manual, which should have a diagram of the fuse box and electrical component locations. 
• Feel for vibrations: Once you've narrowed down the area, touch the components while the turn signal is on. You should feel a distinct vibration from the relay.