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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

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Old May 24, 2016 | 06:30 PM
  #11  
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okay I'll see of I am getting power from bat to switchs. All are new but you never know. Any answer on thr number of fuses. I will jump but I have to take battery out to get to low pressure switch.
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Old May 25, 2016 | 05:41 AM
  #12  
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I thought the A/C fuse was under the hood in the little fuse box. The pressure switch is what you can jump..
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Old May 25, 2016 | 12:40 PM
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Okay so I am not getting any power to the low pressure switch(Jumped it and ran a test light on it). Now then I pulled both Fuses in the cabin and they were okay. You say there is another ? Okay I see where 32 is for the clutch so I'll pull that but would that have anything to do with not getting power to the low pressure switch? I see a small 4in square or a little bigger box is that the fuse box where another is located?

Last edited by ceasefire49; May 25, 2016 at 12:48 PM.
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Old May 25, 2016 | 01:08 PM
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yes.. A/C relay in it.
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Last edited by techrep; May 25, 2016 at 01:14 PM.
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Old May 25, 2016 | 02:03 PM
  #15  
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Okay which one is it I found that box I have the top one. I see both have the r202 relay whic I am assuming is the relay and the do1 is the diode.

Last edited by ceasefire49; May 25, 2016 at 02:14 PM.
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Old May 25, 2016 | 02:15 PM
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Swap RO1 and RO2 see if anything changes.
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Old May 25, 2016 | 02:52 PM
  #17  
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Yep did that still no power to switches, Everything is tight and clip on tried to jump again Nada checked with testlight no power I am thinking my PCM quit reading it. think putting new diode in would solve the problem.
?
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Old May 25, 2016 | 06:59 PM
  #18  
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anybody have another Idea why its not getting power
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Old May 25, 2016 | 11:47 PM
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well thanks for all the help unusual circumstance. LOL
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Old May 26, 2016 | 01:16 PM
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Can I jump the compressor right off the battery? If so do I have to put the wire in both female ports of the plug and link it to the hot wire from battery?
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