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1989 Buick Park Avenue power loss to AC/heat controls /horn

Tiny
BLKJAKROI
  • MEMBER
  • 1989 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 267,000 MILES
My factory radio quit working, so I was removing it, I shorted something out, what I do not know. Now my electronic ac/heat controls do not work, although they do have backlighting, nor my horn, or cig lighter or the keys in ignition/headligt alarm will not work now. Fuses are good, relays I assume are good, they click when power is turned on.
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Saturday, March 1st, 2008 AT 3:58 PM

5 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Are u sure u looked at each and every fuse?
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Saturday, March 1st, 2008 AT 9:35 PM
Tiny
BLKJAKROI
  • MEMBER
  • 2 POSTS
Yes, I took each one out and visually inspected them, tested each one with ohm meter then put them back in and tested for voltage on both sides, all five of them are good. Is there another fuse block somewhere?
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Saturday, March 1st, 2008 AT 10:18 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
You should have a relay/fuse box under the hood
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Saturday, March 1st, 2008 AT 10:50 PM
Tiny
BLKJAKROI
  • MEMBER
  • 2 POSTS
I will look again, I found relays but no fuses under the hood. I will check again in the morning. Thank You
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Saturday, March 1st, 2008 AT 10:55 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS


http://www.2carpros.com/forum/automotive_pictures/62217_FuseRelays_8_copy_1.jpg



http://www.2carpros.com/forum/automotive_pictures/62217_FuseLinks_copy_1.gif


Look for the red spot...for fuses and relays, also check fusible links on firewall...
Just backin you up 007!
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Sunday, March 2nd, 2008 AT 7:40 AM

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