AIR CONDITIONING – Chevrolet Tahoe 1997 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

5.7L

5.7L (VIN R), A/C Wiring Diagram for Chevrolet Tahoe 1997

List of elements for 5.7L (VIN R), A/C Wiring Diagram for Chevrolet Tahoe 1997:

• (engine harn, near egr breakout)
• (engine harness, in fuse-relay center breakout)
• (engine harness, near fuse-relay center)
• (engine harness, near underhood lamp breakout)
• (exc 4.3 l)
• (fwd lamps harn, 5cm from right headlamp breakout)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 28 cm from cluster breakout)
• (i/p harness, in hvac connector breakout)
• (rear hvac control harness, 5 cm from hvac logic module breakout)
• (right side of engine)
• A/c comp mini fuse 10a
• A/c compressor clutch
• A/c compressor clutch relay (in underhood fuse/relay center)
• A/c compressor cycling switch (on top right of a/c accumulator)
• A/c ctrl
• A/c disable
• A/c high pressure cutout switch (on bottom rear of a/c compressor)
• A/c low pressure cutout switch (on top rear of a/c compressor)
• A/c maxi fuse 3 50a
• A/c req
• A/c switch
• Air temp dr sensor
• Aux fan ctrl
• Aux fan mini fuse 30a
• Auxiliary cooling fan motor
• Auxiliary cooling fan relay (exc 4.3l) (in underhood fuse/relay center)
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• Center
• Defogger element
• Diode
• Fan req
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G101 (right front of engine compartment)
• G119 (right front of engine)
• G120
• G120 (right side of engine)
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Hot in run or start
• Htr a/c fuse 12 25a
• Ign mini fuse 10a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Pnk
• Rear defogger system
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• Relay ctrl
• S110
• S128
• S146
• S147
• S147 (engine harn, near egr breakout)
• S180
• S185
• S186
• S244
• S268
• S298
• S308
• Tan
• Underhood fuse-relay
• Underhood fuse-relay center
• Valve ctrl
• Vehicle control module (left rear of engine compt)
• Water valve (suburban, utility, crew cab only) (right center of intake area)

Heater Wiring Diagram for Chevrolet Tahoe 1997

List of elements for Heater Wiring Diagram for Chevrolet Tahoe 1997:

• (engine harness)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 24 cm from i/p cluster breakout)
• (right side of engine)
• A/c maxi fuse 3 50a
• Air temp dr sensor
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• C10
• Defogger element
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G120
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Htr a/c fuse 12 25a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Rear defogger system
• Recirc ctrl
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• S110 (engine harness, near fuse-relay center)
• S147
• S243 (hvac harness, 4 cm from recirc door breakout)
• S244
• S268 (i/p harness, 6.5 cm from hvac connector breakout)
• S298
• Tan
• Underhood fuse-relay center

6.5L

6.5L (VIN F), A/C Wiring Diagram for Chevrolet Tahoe 1997

List of elements for 6.5L (VIN F), A/C Wiring Diagram for Chevrolet Tahoe 1997:

• (engine harn, 30cm from breakout to ebcm)
• (engine harn, near egr breakout)
• (engine harness, in fuse-relay center breakout)
• (engine harness, near fuse-relay center)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 28 cm from cluster breakout)
• (i/p harn, 8 cm from radio harness breakout)
• (i/p harness, in hvac connector breakout)
• (rear hvac control harness, 5 cm from hvac logic module breakout)
• (right side of engine)
• A/c comp mini fuse 10a
• A/c compressor clutch
• A/c compressor clutch relay (in underhood fuse/relay center)
• A/c compressor cycling switch (in low pressure line near compressor)
• A/c ctrl
• A/c disable
• A/c high pressure cutout switch (on a/c compressor)
• A/c low pressure cutout switch (on low pressure line)
• A/c maxi fuse 3 50a
• A/c req
• A/c switch
• Air temp dr sensor
• Aux fan ctrl
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• Center
• Defogger element
• Diode
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G120
• G120 (right side of engine)
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Hot in run or start
• Htr a/c fuse 12 25a
• Ign mini fuse 10a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Pnk
• Powertrain control module (left rear of engine compt)
• Rear defogger system
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• S107
• S110
• S146
• S147
• S147 (engine harn, near egr breakout)
• S185
• S186
• S212
• S244
• S268
• S298
• S308
• Tan
• Underhood fuse-relay
• Valve ctrl
• Water valve (suburban, utility, crew cab only) (right center of intake area)

Heater Wiring Diagram for Chevrolet Tahoe 1997

List of elements for Heater Wiring Diagram for Chevrolet Tahoe 1997:

• (engine harness)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 24 cm from i/p cluster breakout)
• (right side of engine)
• A/c maxi fuse 3 50a
• Air temp dr sensor
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• C10
• Defogger element
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G120
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Htr a/c fuse 12 25a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Rear defogger system
• Recirc ctrl
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• S110 (engine harness, near fuse-relay center)
• S147
• S243 (hvac harness, 4 cm from recirc door breakout)
• S244
• S268 (i/p harness, 6.5 cm from hvac connector breakout)
• S298
• Tan
• Underhood fuse-relay center