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A/C and blower quit


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#1 Razorback

Razorback

    Duck Tape L'fixer :)

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Posted 09 August 2017 - 08:21 AM

My 87 Bronco A/C and blower have been working fine in this hot Alabama summer. Couple days ago about 90 degree day, both shut off after about 5 minutes driving. The fuse no. 9 was not blown but it was 15 amp so I replaced it with the correct 30 amp. Still not working either A/C or Blower. I wired the blower direct to the battery as a test and it worked fine. Any help greatly appreciated.
...
1987 xlt, 5.8 C6 31x10.5OR15LT all terrain tires

#2 miesk5

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    Al

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Posted 09 August 2017 - 10:26 AM

Yo,
Here is your 87 HVAC wiring diagram, http://www.revbase.c...df?id=25047BASE

Also Suspect Grounds G701 &106 that serves both blower & A/C clutch field coil, cycling switch, etc.
See location depiction @

5904945_orig.jpg

In 86 EVTM http://www.garysgara...ac--heater.html
Gary describes how to troubleshoot.


96 XL 5.0 E4OD, Manual BW 1356, manual hubs. See my partially recovered Bronco site. I need to clean up dead links & add many more. Thanks you Mr, Schwim! http://schwimserver5.com/?index=1128
THANKS to ALL WHO SERVE!

#3 Razorback

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Posted 09 August 2017 - 12:17 PM

Thank you so much miesk5. I will check this and let you know.
1987 xlt, 5.8 C6 31x10.5OR15LT all terrain tires



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