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Tech & Fab
AC keeps freezing up! HELP PLEASE!!
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<blockquote data-quote="ALLJ" data-source="post: 242249" data-attributes="member: 2299"><p>I dont want to hijack this but I have a problem I want your input on if you dont mind. I just got my 03 LQ4 into my 06 TJ and have had it running a couple weeks Im finishing the odds and ends now and trying to get the AC back working this has turned into a challenge I had Novak to rework my factory engine harness and leave me a AC switch wire and a wire for the pressure sensors and compressor.</p><p>The instructions they sent says to supply a 12V+ from the original jeep AC dash switch (06 TJ) to the GM ECM and use the other wire supplied in the harness to the pressure switches wired in a series in and out the first switch to the second switch in and out to the AC compressor they installed a 20 amp relay in the harness for this also the problem is that there is no 12V+ on the jeep AC switch when it is turned on like they are wanting me to use. I need to go thru the GM ECM to activate my electric fan (single fan) when the AC is turned on my GM ECM also has the idle up control turned on for this function also</p><p>Could it be as simple as using just a push button AC switch to supply the 12V+ to the GM ECM like they are wanting ? and then just let my factory jeep AC dash controls operate the functions such as vent, floor, defrost, temp, ect let me know if anyone has any ideas or has done this swap into a TJ and are using your factory controls to work the GM compressor</p></blockquote><p></p>
[QUOTE="ALLJ, post: 242249, member: 2299"] I dont want to hijack this but I have a problem I want your input on if you dont mind. I just got my 03 LQ4 into my 06 TJ and have had it running a couple weeks Im finishing the odds and ends now and trying to get the AC back working this has turned into a challenge I had Novak to rework my factory engine harness and leave me a AC switch wire and a wire for the pressure sensors and compressor. The instructions they sent says to supply a 12V+ from the original jeep AC dash switch (06 TJ) to the GM ECM and use the other wire supplied in the harness to the pressure switches wired in a series in and out the first switch to the second switch in and out to the AC compressor they installed a 20 amp relay in the harness for this also the problem is that there is no 12V+ on the jeep AC switch when it is turned on like they are wanting me to use. I need to go thru the GM ECM to activate my electric fan (single fan) when the AC is turned on my GM ECM also has the idle up control turned on for this function also Could it be as simple as using just a push button AC switch to supply the 12V+ to the GM ECM like they are wanting ? and then just let my factory jeep AC dash controls operate the functions such as vent, floor, defrost, temp, ect let me know if anyone has any ideas or has done this swap into a TJ and are using your factory controls to work the GM compressor [/QUOTE]
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AC keeps freezing up! HELP PLEASE!!
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