Antenna Wiring Diagram; Problem-Antenna Inoperative (Motor Doesn't Run) - Pontiac TRANS AM 1977 Service Manual

ACCESSORIES 9-47
I
FUSE ION. SWITCH
I
31 77
Fig. 9-55 Antenna Wiring Diagram
DIAGNOSIS
PROBLEM-ANTENNA INOPERATIVE (MOTOR
DOESN'T RUN)
PROCEDURE RESULTS
STEP 1
Check antenna fuse FUSE BLOWN
Go to Step 2
FUSE OK
Go to Step 4
STEP 2
Replace fuse and recheck antenna operation. ANTENNA RUNS OK
End of test
ANTENNA INOPERATIVE:
Recheck antenna fuse:
Blown
-
Go to Step 3
OK
-
Go to Step 4
STEP 3
Disconnect wiring at antenna unit; replace
fuse and actuate antenna dash switch up
and down, then recheck fuse.
FUSE BLOWS AGAIN:
Locate and repair shorted or grounded
condition in car wiring.
FUSE OK:
Reconnect wiring to antenna and recheck
operation. If fuse blows again, replace
antenna assembly.