Pontiac TRANS AM 1977 Service Manual page 1401

9-48 1 9 7 7 PONTIAC SERVICE MANUAL
STEP 4
1) Connect jumper wire from antenna black
wire terminal to ground (see Fig.
9-56).
2) Turn ignition switch on and check antenna
operation.
CAUTION: Carefully check connections to ant
wires when preparing to extend or retract
antenna during diagnosis or overhaul procedu
Improper connections can damage antenna circ
CAR WIRING
CONNECTOR
CONNECTOR
I
Fig.
9-56
Step
4
ANTENNA RUNS OK
Black wire ground connection at antenna
support tube loose or wire is broken.
ANTENNA DOESN't RUN
Go to Step
5
STEP 5
Disconnect wiring from antenna unit and try ANTENNA RUNS OK
operating antenna independently of car wirin Locate and repair open condition in car
and dash switch as follows (See Fig. 9-57): wiring. If no open condition exists,
Connections to Extend Antenna Mast: replace dash switch.
B-source to gray wire terminal; white to
ANTENNA DOESN'T RUN
ground Replace antenna unit.
Connections to Retract Antenna Mast:
Reverse the above connections.