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1995 Nissan Truck AC help

Tiny
RTRIP95897
  • MEMBER
  • 1995 NISSAN TRUCK
Air Conditioning problem
1995 Nissan Truck 4 cyl Two Wheel Drive Manual

i have a 1995 nissan pickup the ac want kick in, but it will if you streight wire it so the compresor is good and it gets cold, I replaced the main switch inside and the thermo switch behind dash, the dual presure switch has contnuity so I think it is ok any idea?
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Friday, July 9th, 2010 AT 2:34 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuse and wiring, low pressure switch, double check the high and low pressures with a manifold gauges-also the AC relay
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Friday, July 9th, 2010 AT 3:52 PM
Tiny
RTRIP95897
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  • 7 POSTS
The fuse and relay are good and I bypassed the low presure switch and it still want come on, I dont have a guage but when I straight wire it it cools down too about 36 degrees inside, so I dont now what to do. Thanks for replying I appershate the help.
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Friday, July 9th, 2010 AT 4:24 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the thermal protector its in between the clutch and the AC relay
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Friday, July 9th, 2010 AT 10:02 PM
Tiny
RTRIP95897
  • MEMBER
  • 7 POSTS
I replaced the thermo control switch that was located in the box with the cooling unit coils, maybe it was a bad new part?I mite need to check it again?Thanks iam not a mechanic but I pride myself on fixing my on stuff and this is about to get me!
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Saturday, July 10th, 2010 AT 11:58 AM

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