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A/C only works while car is in reverse

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New User

Aug 14, 2016, 11:00 AM

Post #1 of 2 (727 views)
A/C only works while car is in reverse Sign In

just purchased a 2002 Pontiac Sunfire and trying to troubleshoot an a/c problem. it seems like the compressor only engages when the car is in reverse? anyone have an clue why this is? i would hate to drive in reverse all the

thanks in advance

Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 14, 2016, 11:49 AM

Post #2 of 2 (716 views)
Re: A/C only works while car is in reverse Sign In

Do a really good visual inspection of the electrical harnesses under the hood. Make sure they are not damaged or rubbing against sharp metal. With the ac turned on and vehicle running in park, move and manipulate the harnesses to see if it causes the compressor to engage. The movement of the engine with the transmission in reverse could be moving a harness and causing a compressor circuit to complete.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Aug 14, 2016, 11:50 AM)

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