GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Classic
🢒
HVAC
🢒
HVAC Systems - Manual
🢒 HVAC Schematics
HVAC Schematics HVAC
Figure
1:
Driver Controls
Master Electrical Component List
Air Temperature Description and Operation
A/C Compressor Controls
HTR A/C IGN and ERLS Fuses
LH BFC BATT 2, STOP LPS, HAZARD LPS, IPC/HVAC BATT, BFC BATT Fuses
CRUISE SW, CRUISE, and HVAC BLOWER Fuses
Panel Dimming
SP202
SP203
SP201
B+ Buss Bar
DRL (ALC Relay)
Figure
2:
A/C Compressor Controls
Master Electrical Component List
Air Temperature Description and Operation
Driver Controls
IGN MOD, B/U LMP, PCM IGN, A/C BFC, AUTO TRANS, and ABS IGN Fuses
SP103
Fuel Delivery and IAC