Why is my AC light blinking chevy?
Blinking AC light is indication of either compressor clutch slip or a pressure is out of whack. Get the trouble codes read.
Why is the a / C blinking ON MY 1992 Chevy?
Some owners of 1991-1992 C/K vehicles may comment that the A/C letters in the middle of the control head face are flashing. The HVAC control system used on 1991 and 1992 C/K vehicles incorporates a low A/C charge warning system.
Why does my a / C light keep flashing?
If you encounter a vehicle with the control head A/C indicator flashing the low charge signal, but can find no reason for the flash using normal diagnostic procedures; including checking the wiring harness for chafing; remove the pressure cycling switch feedback wire from the control head connector using the service procedure outlined below.
Why does my AC blink when there is a low charge?
If a low charge is detected, the control head will not allow the compressor to engage and the A/C letters in the middle of the control head face that usually signity A/C operation will blink. The HVAC control head determines a low charge by monitoring the circuit from the pressure cycling switch.
Some owners of 1991-1992 C/K vehicles may comment that the A/C letters in the middle of the control head face are flashing. The HVAC control system used on 1991 and 1992 C/K vehicles incorporates a low A/C charge warning system.
If a low charge is detected, the control head will not allow the compressor to engage and the A/C letters in the middle of the control head face that usually signity A/C operation will blink. The HVAC control head determines a low charge by monitoring the circuit from the pressure cycling switch.
If you encounter a vehicle with the control head A/C indicator flashing the low charge signal, but can find no reason for the flash using normal diagnostic procedures; including checking the wiring harness for chafing; remove the pressure cycling switch feedback wire from the control head connector using the service procedure outlined below.