GMC 1986 P-Truck Service Manual page 53

1A-14 HEATING
ON-VEHICLE SERVICE
RESISTOR PRELACEMENT
Remove or Disconnect (Figure 13)
1. Battery ground cable.
2. Wiring connector.
3. Screws.
4. Resistor (88).
Figure 13—Resistor Location
Install or Connect (Figure 13)
1. Resistor.
2. Screws.
3. Wiring connector.
4. Battery ground cable.
Resistor
88 .
101
. W iring Harness
108. Auxiliary Heater
109. Platform
F-00662