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1999 Mercury Marquis Turn signal fuse blows and air conditi

Tiny
GETITQWIK
  • MEMBER
  • 1999 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 102,000 MILES
Both fuses blow sometime. Fuse 5 and fuse 9. Cannot keep turn signal fuse replacing and I need the airconditioning blower etc to come on. How are the two related in the wiring diagram What is my problem, worked fine the last 100000 miles. I have replaced fuses and tried to find shorted wires but to no avail. Need some expertise on how to approach it.
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Wednesday, June 3rd, 2009 AT 10:19 PM

2 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS


https://www.2carpros.com/forum/automotive_pictures/55316_99gmfuse_1.jpg


That is how #5 and #9 connected.

Start checking for frayed/shorted wire behind the AC control panel.
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Thursday, June 4th, 2009 AT 1:04 AM
Tiny
GETITQWIK
  • MEMBER
  • 2 POSTS
Thanks for the info. I will try that. The Owners guide ON PAGE 123 DOES NOT SHOW LIKE YOURS. Worded differently only slightly but does not show the AC /Blower Motor in the list. Thanks will let you know in a few days. Next day I am off work to chase it down.
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Thursday, June 4th, 2009 AT 1:18 AM

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