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Thanks I will run these check and let you know should be some time on Friday
John a quick adder the check engine light goes off sometimes for a littl while and there is no code and then it comes back. does that change any thing. Sorry for the late info this is my wifes car, you don't always get all the info at the same time.
Hi I have checked to voltage. I have three different reading on three different wires. Whitch one is the singal wire. I did have a reading above 5v and reading on the other wires of 2.7 and 3.5v Is this a bad sign?
Sorry it has taken so long to get back to you, have a lot of other things to deal with.
So what does it mean that I do not have 12v on any of these pins when the engine is running?
no cold air blowing out when ac is on but low pressure