Diesel Data: Automotive Repair

Turn Signal/Hazard Relay Input Test




Turn Signal/Hazard Relay Input Test

1. Remove the left front door sill trim and left kick panel Service and Repair..

2. Remove the turn signal/hazard relay (A) from the under-dash fuse/relay box (B).





3. Inspect the relay and fuse/relay box socket terminals to be sure they are all making good contact.

- If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.

4. Do the following input tests:

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the turn signal/hazard relay must be faulty; replace it.