AIR CONDITIONING – Jeep Grand Cherokee Laredo 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999

List of elements for Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999:

• (at bottom of steering column)
• (in breakout for ground g120, right side of engine) s103
• (lower dash panel) s201
• (near airbag control module) g302
• (on passenger side end of heater-a/c housing) blower motor
• (right headlamp area) g107
• (right rear fender area) s129
• (right rear of engine) g117
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c high pressure cutout switch (on discharge line block fitting, near compressor)
• A/c low pressure cycle clutch switch (on top of accumulator)
• A/c press signal
• A/c switch signal
• A16
• Automatic zone control module
• Battery
• Blower motor controller (on heater-a/c housing, inboard of blower motor)
• Blower motor ctrl
• Blower mtr ctrl
• Body control module (on left end of dash, attached to junction block)
• C100
• C102
• C103
• C13
• C15
• C18
• C23
• C24
• C32
• C33
• C35
• C56
• C94
• C95
• C96
• D25
• Defogger relay out
• Defogger sw sense
• Defogger system
• Diagnostic junction port
• Distribution center) s132
• Dr blend door dr
• Dr blnd door driver
• Driver blend door motor/actuator (on front of heater-a/c housing)
• Driver blnd door driver
• F22
• Fuse 15a
• Fuse 20 10a
• Fuse 21 10a
• Fuse 40a
• Fuse 7 10a
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Ignition
• Junction block (behind left side of dash)
• Mode door driver
• Mode door motor/actuator (on left end of heater-a/c housing)
• Nca
• Panel lamps driver
• Pass blend door dr
• Pass blend door driver
• Passenger blend door motor/actuator (on heater-a/c housing)
• Pci bus
• Pnk
• Power distribution center (at right front corner of engine compartment, next to battery)
• Powertrain control module (on right side of firewall)
• Radiator fan motor (behind radiator)
• Radiator fan relay (behind bumper fascia, below right headlamp)
• Radiator fan relay ctrl
• Recirc door driver
• Recirculation door motor/actuator (on heater-a/c housing)
• Red
• Relay ctrl
• Relay output

Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999

List of elements for Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999:

• (in breakout for ground g120, right side of engine) s103
• (lower dash panel) s206
• (near airbag control module) g302
• (near power distribution center) s132
• (right headlamp area) g107
• (right rear fender area) s129
• (right rear of engine) g117
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c high pressure cutout switch (on discharge line block fitting, near compressor)
• A/c low pressure cycle clutch switch (on top of accumulator)
• A/c press signal
• A/c switch signal
• A16
• Battery
• Blend air dr posit ctrl
• Blower motor (on passenger side end of heater-a/c housing)
• Blower motor resistor block (bottom of heater-a/c housing, inboard of blower motor)
• Body control module (on left end of dash, attached to junction block)
• C103
• C13
• C15
• C18
• C23
• C24
• C67
• Dash panel) s211
• Defogger relay output
• Defogger switch sense
• Defogger system
• F22
• Fuse 15a
• Fuse 20 10a
• Fuse 21 10a
• Fuse 40a
• Gnd
• Ground
• High blower mtr driver
• Hot at all times
• Hot in run
• Hot in run or start
• Ignition
• Junction block (behind left side of dash)
• Low blower mtr driver
• M1 blower motor driver
• M2 blower motor driver
• Manual temperature control
• Nca
• Panel lamps feed
• Power distribution center (at right front corner of engine compartment, next to battery)
• Powertrain control module (on right side of firewall)
• Radiator fan motor (behind radiator)
• Radiator fan relay (below bumper fascia, right headlamp)
• Radiator fan relay ctrl
• Relay ctrl
• Relay output
• Tan
• Temperature valve actuator