Chevrolet 1999 Astro Owner's Manual page 311

Fuse/Circuit
Breaker Usage
-
UPFITTER BATT Upfitter Battery Power Stud,
Trailer Wiring Harness
-
UPFITTER ACCY Upfitter Accessory Relay
Spare Not used
Fuse Puller*
Spare Not used
Spare Not used
-
ECM 1B Fuel Pump Relay and Motor,
VCM, Oil Pressure
Switch/Sender
HORN Horn Relay and Horn
A/C COMP A/C Enable Relay and
Compressor
ATC Active Transfer Case
-
ENG I Oxygen Sensors, Camshaft
Position Sensor, Mass Air Flow
Sensor, Evaporative Emission
Canister Purge Solenoid, Linear
EGR Valve Solenoid, VCM
EGR HI
-
IGN E A/C Enable Relay Coil
Fuse/Circuit
Breaker
-
ECM I
LIGHTING
BATT
IGN A
IGN B
ABS
-
L Van
A/C
RR HTR/AC
HTD MIR/RR
DEFOG
*A fuse puller is included in the underhood electrical
center. You will also find spare fuses.
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Usage
-
Fuel Injectors 1 6, Crankshaft
Position Sensor, VCM, Coil
Driver Module (EST)
Park Lamps Fuse, DRL Fuse,
Headlamp and Panel Dimmer
Switch
Steering/Security Fuse, Courtesy
Fuse, ACSY CB, Stop/Hazard
Fuse, Auxiliary Power Fuse,
Cigarette Lighter Fuse, Radio
Battery Fuse
Starter Relay, Ignition Switch
Ignition Switch
Electronic Brake Control
Module
Blower Motor Resistor, Blower
Relay
Auxiliary Heater, A/C Relay
Rear Window Defogger
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