Can the light control module blow number 9 fuse in the fuse box?

Tiny
TRUCKWES
  • MEMBER
  • 2004 MERCURY MARQUIS
  • 4.6L
  • V8
  • AUTOMATIC
  • 80,000 MILES
I change headlight bulbs to LED bulbs. I change light control module 2 years a go. The fuse keep blowing. Do led bulbs be the problem? From trcukwes.
Sunday, March 28th, 2021 AT 5:45 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I am not sure I see the correlation between fuse 9 and the lighting system.

That means we can assume they are not causing this. Fuse 9 is for the transmission range sensor so if it keeps blowing then I suspect the sensor is shorted or another component on that circuit is the cause of it.

Let's test the wiring for this and make sure there is no short.

https://www.2carpros.com/articles/how-to-check-wiring

Let me know if you have questions on this and we can go from there. Below are the wiring diagrams and fuse layout to show the TRS is the only thing on this fuse.
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Monday, March 29th, 2021 AT 6:13 PM

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