Operation CHARM: Car repair manuals for everyone.

Pinpoint Test 4

Flow Chart No. 4 - Symptom - Hazard flasher inoperative.

Step 1
Circuit protection.




1. Check fuse 21 in interior fuse panel.




2. Is fuse blown?

Step 2
Battery feed to flasher unit.




1. Check for battery voltage at flasher unit connector battery feed terminal (R/W).




2. Is battery voltage present?

Step 3
Isolate flasher unit.
1. Substitute known good flasher unit.




2. Do hazard lamps operate?