Pinpoint Test 4

Flow Chart No. 4 - Symptom - Cargo lamp inoperative.

Step 1
Isolate bulb and socket.
1. Remove bulb.
2. Check bulb for broken filament. Check bulb socket for damage or corrosion.




3. Are bulb and socket serviceable?

Step 2
Check battery feed to lamp.




1. Check battery voltage at lamp connector battery feed terminal (B/P).




2. Is battery voltage present?

Step 3
Check ground circuit.




1. Check for continuity between lamp connector ground terminal and clean chassis ground.




2. Is there continuity?