Question
#2
You need to check if the clutch is working when it is turned on the compressor should cycle on and off , check electrical plug on top of compressor to make sure it did not come loose and also check all fuses related to ac. If they check out could be bad condenser ( small canister inline with compressor)
#3
MOVED to the correct section where you might get an answer to an H3 issue???
READ this: https://www.hummerforums.com/forum/h...wer-fix-19208/
Do some searches.
READ this: https://www.hummerforums.com/forum/h...wer-fix-19208/
Do some searches.