Pontiac FIREBIRD 1972 Service Manual page 1285

I
CHASSIS ELECTRICAL 12-15
BULKHEAD
CONNECTOR
FUSE BLOCK
BATTERY +
RT. CORNERING
(PART OF DIR.
SIG.
SW.)
FUSIBLE LINK
BRNNHT
LIGHT SWITCH
0 0
;
h
\
S T E E R I N G COLUMN
5
00
CONNECTOR
+
BULKHEAD
l z x q l o
CONNECTOR
BROWN
BLKIORN BLK/ORN
TO PARKING
-
BROWN
BROWN
BROWN-
TO TAIL
&
LAMPS LICENSE
LAMPS
BLKMlHT BLKNVHT
BODY
CONNECTOR
LT. CORNERING
LAMP
FOR VOLTAGE CHECKS CONNECT
12 VOLT TEST BULBS BETWEEN
GROUND AND TEST POINT BEING
CHECKED
Fig. 12-1 8 Cornering Lamp Circuit
or more lamps do not operate, check for
defective bulb.
Open wiring or ground connection *Turn on hazard warning system. If one or
more bulbs do not operate, use 12 volt test
lamp to check voltage at lamp socket. If
test bulb lights, repair open ground connection.
If not, repair open wiring between bulb socket
and turn signal switch.
Improper bulb or defective turn signal switch
*Turn on hazard warning system. If all front
and rear lamps operate, check for improper bulb
(1034 Instead of 1 157). If bulbs are OK, replace
Short to ground (flasher can be heard, but no
defective turn signal switch.
*Locate and repair short to ground by
lamps operate) disconnecting front and rearcircuits separately.
TURN SIGNALS INOPERATIVE
-
BOTH SIDES
Open fuse (turn signal)
Defective flasher (located behind instrument
panel near steering column)
Loose Connection
*Turn on hazard warning system. If all lamps
operate, replace fuse if blown. If new fuse
blows, repair short to ground between fuse and
lamps.
*If turn signal fuse is OK, and hazard warning
system will operate lamps, replace defective turn
signal flasher (behind instrument panel near
steering column).
*secure steering column connector. If test bulb
lights only on one side of purple wire terminals
in connector, clean or tighten connector contacts.