AIR CONDITIONING – Chevrolet Astro 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Astro 1999

List of elements for Compressor Wiring Diagram for Chevrolet Astro 1999:

• A/c clutch diode (in underhood fuse-relay center)
• A/c comp fuse 10a
• A/c compressor clutch
• A/c enable
• A/c enable relay (in underhood fuse-relay center)
• A/c high pressure cut off switch (rear of a/c compressor)
• A/c low pressure cut off switch (top of a/c receiver dryer)
• A/c request
• A/c request c3
• Bi-lv
• Blend
• Def
• G104 (right side of dash)
• Heat
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 12 20a
• Hvac control module
• I/p fuse block
• Ign-e fuse 10a
• Max
• Norm
• Off
• Pnk
• Pressure switch breakout)
• Underhood fuse-relay center
• Underhood fuse-relay center breakout)
• Vehicle control module (left side of engine compt)
• Vent

Heater Wiring Diagram for Chevrolet Astro 1999

List of elements for Heater Wiring Diagram for Chevrolet Astro 1999:

• (not used)
• (right side of dash)
• A/c maxi fuse 30a
• B red
• Bi-lv
• Blend
• Blower motor resistor and relay pack (mounted on right front of dash housing, between evaporator and front blower motor)
• C219
• Convenience center
• Def
• Front blower motor
• G100 (right radiator support)
• G104 (right side of dash)
• G200 (right front "a" pillar)
• G201
• G301 (above rear heater)
• Heat
• Heater control module
• Heater control valve solenoid (behind receiver/ dryer)
• Hot at all times
• Hot in run
• Htr-a/c fuse 12 20a
• I/p fuse block
• Interior lights system
• Med
• Off
• Rear heat-a/c relay (in underhood fuse-relay center)
• Rear heater blower motor
• Rear heater resistor pack (top rear heater core assembly)
• Rear heater switch
• Red
• Rr heat/a/c maxi fuse 30a
• S111 (engine harn, 17 cm from underhood fuse-relay center breakout)
• S111 (engine harn, 5 cm from underhood fuse-relay center breakout)
• S224 (i/p harn. 17 cm from headlamp switch connector breakout)
• S229 (i/p harness, 4 cm temperature control motor connector breakout)
• S238 (i/p harn, behind left side of dash)
• Tan
• Temperature control motor (behind right side of dash, left side of air duct)
• Underhood fuse-relay center
• Vent

Manual A/C Wiring Diagram for Chevrolet Astro 1999

List of elements for Manual A/C Wiring Diagram for Chevrolet Astro 1999:

• (eng harn, 5 cm from underhood fuse-relay center breakout)
• (right side of dash)
• A/c clutch diode (in underhood fuse-relay center)
• A/c comp mini fuse 10a
• A/c compressor clutch
• A/c enable
• A/c enable relay (in underhood fuse-relay center)
• A/c high pressure cut off switch (rear of a/c compressor)
• A/c low pressure cut off switch (top of a/c receiver dryer)
• A/c maxi fuse m3 30a
• A/c request
• B red
• Bi-lv
• Blend
• Blower motor resistor and relay pack (mounted on right front of dash housing, between evaporator and front blower motor)
• C218
• C219
• Convenience center
• Def
• Front blower motor
• G100 (right radiator support)
• G104
• G104 (right side of dash)
• G200 (right front "a" pillar)
• G201 (right side of dash)
• G301 (above rear heater)
• G404 (below rear a/c blower)
• Heat
• Heater and a/c control valve solenoid (behind receiver/ dryer)
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 12 20a
• Hvac control module
• I/p fuse block
• Ign-e mini fuse 10a
• Interior lights system
• Max
• Med
• Norm
• Off
• Pnk
• Rear a/c blower motor
• Rear a/c resistor pack (above rear blower motor, in duct)
• Rear a/c switch
• Rear heat-a/c relay (in underhood fuse-relay center)
• Rear heater blower motor
• Rear heater resistor pack (top rear heater core assembly)
• Rear heater switch
• Red
• Rr heat/a/c maxi fuse 30a
• S111
• S111 (eng harn, 17 cm from underhood fuse-relay center breakout)
• S111 (eng harn, 5 cm from underhood fuse-relay center breakout)
• S124 (engine harn, 13 cm from oil pressure switch breakout)
• S224 (i/p harness, 17 cm from headlamp switch connector breakout)
• S229 (i/p harn, 4 cm from temperature control motor connector breakout)
• S238 (i/p harn, behind left side of dash)
• Tan
• Temperature control motor (behind right side of dash, left side of air duct)
• Underhood fuse-relay center
• Vehicle control module (left side of engine compt)
• Vent