How to tell If your turn signal relay is bad?

How to tell If your turn signal relay is bad?

Other Lights Start Failing: Another common sign of a failing turn signal relay is all of your lights start failing. Sometimes your headlights, brake lights, or running lights will start to malfunction. This is correlated with your turn signal relay.

How to fix a turn signal relay?

The first thing you should do is unplug then and then plug them back in. This will reset them and also ensure they are plugged in properly. Sometimes you just need to renew this connection and they will start working again. This could be the simple fix to your turn signal problem.

Where is turn signal switch on Mercury Cougar XR7?

Disconnect the turn signal switch from the harness under the dash next to the steering column and check it according to Table 1. The table shows wire pairs that should be shorted together when the switch is in the position indicated. If any of the connections are open, replace the switch.

Is the turn signal switch on my Ford Cougar bad?

Ford has obsoleted this part but an electronic replacement is available from your parts dealer. If only one side flashes, the turn signal switch in the column is most likely bad. If only the front turn signal lights flash, the turn signal switch in the column is most likely bad.

What kind of turn signals did a 1969 Shelby Mustang have?

This guide covers troubleshooting 1969-1973 Mercury Cougar, 1969-1971 Thunderbird, and 1969-1970 Shelby Mustang sequential turn signals.

Which is part of the turn signal Flasher?

The most failure prone parts are the turn signal switch, the turn signal flasher can and the sequential flasher. Basically, the system works as follows: when the directional lever on the turn signal switch is depressed, it completes circuits that select and feed power to the corresponding bank of lights.

Disconnect the turn signal switch from the harness under the dash next to the steering column and check it according to Table 1. The table shows wire pairs that should be shorted together when the switch is in the position indicated. If any of the connections are open, replace the switch.

Ford has obsoleted this part but an electronic replacement is available from your parts dealer. If only one side flashes, the turn signal switch in the column is most likely bad. If only the front turn signal lights flash, the turn signal switch in the column is most likely bad.

What to do when your turn signal is not working?

If there is no power on the Green wire, check the brake light switch under the dash attached to the brake pedal. If there is no power on the Green-Orange or Orange-Blue wire, check the turn signal switch connector under the dash. Make sure all the pins are seated into the connector shells and the both connector are fully seated together.

This guide covers troubleshooting 1969-1973 Mercury Cougar, 1969-1971 Thunderbird, and 1969-1970 Shelby Mustang sequential turn signals.