i noticed my ac pump gets no power, im engages if i hook directly to the battery. odd if u ask me. GM's have bad wireing, so im not sure whats the issue. no power comes thru the line unless i hook power were the relay goes. the relay does not click or anything, also other relays do not work. the light comes on the climate cont. when ac is selected and for the defrost. i know it most likely has a leak, but would a dry or low system do this? what options do you think i got besides a toggle switch? i did not play with it too long tonight, but i have no idea yet

Fireboy153
Brady Fire Co. - Station 150
Long Live The Sunflower! (yea its not so "cool")

Low charge will keep the A/C clutch from engaging. No point to engage if there is no freon and oil flowing.

i heard that today. thanks for the info. im going to guess theres a sensor for that somwere else in the system.

Fireboy153
Brady Fire Co. - Station 150
Long Live The Sunflower! (yea its not so "cool")

fireboy153 wrote:i heard that today. thanks for the info. im going to guess theres a sensor for that somwere else in the system.

more likely that you have a leak somewhere in the system, and have depleted your r-134a.



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got it checked today, he said a leak, but no under the hood, plolly with the evaporator, in the dash he said... so i guess i got no ac haha i wonder what is all involved in that now. its a small leak, its cold for a week only, so with a few more weeks left of the need for it, i can deal with tossing a can in every few days

Fireboy153
Brady Fire Co. - Station 150
Long Live The Sunflower! (yea its not so "cool")