AIR CONDITIONING – Chevrolet Astro 2003 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Astro 2003

List of elements for Compressor Wiring Diagram for Chevrolet Astro 2003:

• A/c comp fuse 10a
• A/c comp relay
• A/c compressor clutch
• A/c compressor clutch diode (in underhood fuse block)
• A/c enable relay
• A/c high pressure switch (rear of a/c comp)
• A/c low press
• A/c low pressure switch (on a/c accumulator)
• A/c request
• Bi-lv
• Blend
• Def
• G104 (lower left side of evaporative housing)
• Heat
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 12 20a
• Hvac control assembly
• I/p fuse block (behind left side of dash)
• Ign-e fuse 10a
• Max
• Norm
• Off
• Pnk
• Powertrain control module (below underhood fuseblock, on left side of firewall)
• S111 (engine harn, 17 cm from underhood fuse block breakout)
• S124 (engine harn, 11.3 cm from oil pressure switch breakout)
• S224 (i/p harn. 17 cm from body control module breakout)
• Underhood fuse block (left side of firewall)
• Vent

Heater Wiring Diagram for Chevrolet Astro 2003

List of elements for Heater Wiring Diagram for Chevrolet Astro 2003:

• (forward lamp harn, 8 cm from right headlamp breakout)
• (not used)
• 17 cm from underhood fuse block breakout)
• 1995 vftc c
• A/c relay
• Air temperature actuator (behind right side of dash, left side of air duct)
• Auxiliary heater blower motor
• Auxiliary heater blower motor resistor (left side of vehicle, behind "b" pillar)
• Auxiliary heater blower motor switch
• B red
• Bi-lv
• Blend
• Blower motor resistor assembly (behind coolant recovery reservoir, on right front fender)
• Convenience center (behind left kick panel)
• Coolant bypass valve solenoid (behind receiver/ drier)
• Def
• Front blower motor
• Frt hvac fuse 30a
• Fuse block breakout)
• G100 (right radiator support)
• G104 (lower left side of evaporative housing)
• G200 (right front "a" pillar)
• G301 (above the rear heater, towards rear of vehicle)
• Heat
• Hot at all times
• Hot in run
• Htr-a/c fuse 12 20a
• Hvac control assembly
• I/p fuse block (behind left side of dash)
• Interior lights system
• Med
• Off
• Rr htr a/c fuse 30a
• S100
• S224 (i/p harn. 17 cm from body control module breakout)
• S229 (i/p harn, 4 cm from air temp actuator breakout)
• Tan
• Underhood fuse block (left side of firewall)
• Vent

Manual A/C Wiring Diagram for Chevrolet Astro 2003

List of elements for Manual A/C Wiring Diagram for Chevrolet Astro 2003:

• 11.3 cm from oil pressure switch breakout)
• 17 cm from underhood fuse block)
• 1995 vftc c
• A/c comp fuse 10a
• A/c comp relay
• A/c compressor clutch
• A/c compressor clutch diode (in underhood fuse block)
• A/c enable relay
• A/c high pressure switch (rear of a/c compt)
• A/c low press
• A/c low pressure switch (on a/c accumulator)
• A/c relay
• A/c request
• Air temperature actuator (behind right side of dash, left side of air duct)
• Auxiliary a/c blower motor
• Auxiliary a/c blower motor resistor (left rear of vehicle, near "d" pillar)
• Auxiliary a/c blower motor switch
• Auxiliary heater blower motor
• Auxiliary heater blower motor resistor (left side of vehicle, below "b" pillar)
• Auxiliary heater blower motor switch
• B red
• Bi-lv
• Blend
• Blower motor resistor assembly (behind coolant recovery reservoir, on right front fender)
• C10
• Convenience center (behind left kick panel)
• Coolant bypass valve solenoid (behind receiver/ drier)
• Def
• Front blower motor
• Frt hvac fuse 30a
• G100 (right radiator support)
• G104 (lower left side of evap housing)
• G200 (right front "a" pillar)
• G301 (above the rear heater, towards rear of vehicle)
• G404 (below left rear seat- belt retractor)
• Heat
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 12 20a
• Hvac control assembly
• I/p fuse block (behind left side of dash)
• Ign-e fuse 10a
• Interior lights system
• Max
• Med
• Norm
• Off
• Pnk
• Powertrain control module (below underhood fuse block, on left side of firewall)
• Rr htr a/c fuse 30a
• S100 (forward lamp harn, 8 cm from right headlamp breakout)
• S111 (engine harn, 17 cm from underhood fuse block breakout)
• S224 (i/p harn. 17 cm from body control module breakout)
• S229 (i/p harn, 4 cm from air temp actuator breakout)
• Tan
• Underhood fuse block (left side of firewall)
• Vent