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What does my instruments keep blowing

Tiny
USEDCARSLOUISVILLEGUY99
  • MEMBER
  • 1994 FORD THUNDERBIRD
  • 30,000 MILES
I've replaced my instrument cluster 3 times and the odometer and tripometer keep malfunctioning. What's the deal?
Tuesday, January 10th, 2012 AT 8:41 PM

21 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Bad grounds or a short circuit.
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Wednesday, January 11th, 2012 AT 5:34 AM
Tiny
USEDCARSLOUISVILLEGUY99
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But only the mileage recorders are affected. All my other instruments work fine.
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Wednesday, January 11th, 2012 AT 6:16 PM
Tiny
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The odometer and tripometer are on separate circuits from everything else. They operate off the output shaft speed sensor on the left side of the transmission. Check the wiring from to and from the sensor. Check the sensor.
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Wednesday, January 11th, 2012 AT 7:23 PM
Tiny
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OK, I'll do that, thanks
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Wednesday, January 11th, 2012 AT 10:09 PM
Tiny
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My pleasure. Let us know.
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Wednesday, January 11th, 2012 AT 11:17 PM
Tiny
USEDCARSLOUISVILLEGUY99
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Will do, as soon as I get some dry weather, lol.
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Wednesday, January 11th, 2012 AT 11:22 PM
Tiny
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Heheh. Walking around in shorts and a t-shirt here in SoCal. Lol
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Wednesday, January 11th, 2012 AT 11:29 PM
Tiny
USEDCARSLOUISVILLEGUY99
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What about changing my rear brake drums to disks? I was thinking of changing them over.
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Monday, January 16th, 2012 AT 3:31 PM
Tiny
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There are kits for that. Look up parts stores and speed shops in your area.
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Monday, January 16th, 2012 AT 6:31 PM
Tiny
USEDCARSLOUISVILLEGUY99
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Why don't you do it for me since you are wearing shorts and I have to wear a coat! Haha just kidding, thanks
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Tuesday, January 17th, 2012 AT 9:24 PM
Tiny
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Didn't you know? The guy wearing shorts directs, while the guys in the coats do the work. Heheh.

Two places you might try looking online would be Jeg's, Summit Racing, and JC Whitney. Ok. Three places, but I remembered Whitney as I was typing.
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+1
Wednesday, January 18th, 2012 AT 4:13 AM
Tiny
USEDCARSLOUISVILLEGUY99
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Cool, I appreciate the help. I don't work at a shop, that's probably obvious, lol, I just like doing things myself if I can so I know how it's done and done right. Also, I've looked at engine rebuild kits. The average price I've seen is $1,000. Is this a good price? Thanks for the help. And lol about the shorts, that's usually the way it goes!
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Wednesday, January 18th, 2012 AT 4:41 PM
Tiny
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It depends on what you get with the kit. $1,000, with all the gaskets, bearings, seals, and a new cam is pretty good, especially if you're paying retail. I paid a little over $800 a number of years ago for a rebuild kit for an 8-cylinder engine, but I paid wholesale price.
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Wednesday, January 18th, 2012 AT 4:55 PM
Tiny
USEDCARSLOUISVILLEGUY99
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I don't think it comes with a cam
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Wednesday, January 18th, 2012 AT 5:21 PM
Tiny
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Rebuild kit
http://www.summitracing.com/search/Part-Type/Engine-Rebuild-Kits/Make/FORD/?Ns=Rank|Asc&gclid=CNi-uq2W2q0CFQiBhwod03wjCg

rear disc conversion kit
http://www.summitracing.com/search/?keyword=rear%20disc%20brake%20kit&dds=1
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Wednesday, January 18th, 2012 AT 6:14 PM
Tiny
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Unfortunately none of these come with a camshaft. I guess I'll have to buy it separate.
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Thursday, January 19th, 2012 AT 5:51 PM
Tiny
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Huh. Nor lifters, either. Guess I should have looked more closely. I saw the cam bearings in the images and thought they were the cam. Check out JC Whitney and Jeg's first. Also check with Rockauto.

I've shot my load as far as online suppliers are concerned now. Keep
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Thursday, January 19th, 2012 AT 7:05 PM
Tiny
USEDCARSLOUISVILLEGUY99
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LOL you've been a big help much appreciated. I'll check the others out thanks
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Thursday, January 19th, 2012 AT 10:44 PM
Tiny
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My pleasure. Be sure to tell your friends about us.
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Thursday, January 19th, 2012 AT 11:58 PM
Tiny
CADIEMAN
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Are these ditial or anolog milage numbers?I would get a rebuilt short block. So that spects. Are mantained it cheaper than a full motor. Order the short block. Remove your heads to be rebuilt. Replace the oil pump and swap the oil pan.U dont know what your gonna find bad in that old motor!
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Friday, January 20th, 2012 AT 12:48 AM

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