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16-32
ELECTRICAL
TAIL GATE
WIRE
GAS GAUGE
W I R E \
(CHEV. O N L Y )
BACK-UP LAMP WIRES
GAS GAUGE
WIRE ( P O - O L - B U )
2505
Fig. 16-49-Rear Cross Bar Wiring - All " A " Body
breaker side of relay. If tester does not light,
there is a short or open circuit between cir-
cuit breaker and relay assembly.
2. Turn ignition switch on and with a test light
check for current at output side of relay. If
tester does not light, the relay is defective or
there is a short or open circuit between igni-
tion switch and relay assembly. Check wires
before replacing relay.
NOTE:
Oldsmobile "B & E" Styles Only -
Ignition switch must be on for performing the
remainder of checking procedure.
c. Checking Feed Circuit Continuity at Relay
on Seat Motor—All Styles
1. Disengage three-way connector body from the
seat motor relay.
BACK-UP LAMPS
(BLACK-LIGHT OREEN)
(16435)
All OATE WIRE HARNESS — I
LEFT BACK-UP LAMP
-LIGHT OREEN
(13-16000 SERIES ONLY)
(25-26000 !
; ONLY)
Fig. 1 6 - 5 1 - T a i l Gate Wiring - A l l " A " Bodies
2. Insert one test light lead into the relay power
feed connector slot on the harness, and ground
other tester lead.
3. If tester does not light, there is no current at
end of feed wire. Failure is caused by an open
or short circuit in feed circuit.
d. Checking for Current at Seat Control Switch
1. Connect one test light lead to feed terminal of
switch block and ground other test light lead
to body metal.
2. If tester does not light, there is no current at
switch block. Failure is caused by an open or
short circuit between switch block and power
source.
e. Checking the Seat Control Switch
In the following operations which specify the seat
control switch to be actuated, a switch that has
Fig. 16-50 —Rear Cross Bar Wiring - Chevrolet,
Pontiac " B " Bodies
Fig. 16-52—Tall Gate Wiring - Chevrolet " B " Body
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