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Old 10-19-2014, 12:24 PM   #1
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Speedometer Problem

Hey guys, so after getting my hands on this 95 Mustang V6 with the 4.3 conversion (somebody else did the conversion), my speedometer doesn't work and hasn't since I got the car. I'm pretty sure that the guy forgot to hook up the engine speed sensor, so where can I find that on the engine? I haven't been able to find anything on the internet about it. Also, if it's not that, then what else could this be? Thanks guys!
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Old 10-19-2014, 01:10 PM   #2
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Speedometer Problem

good excuse to go 70 in a 30.
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Old 10-19-2014, 01:22 PM   #3
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Haha I thought I've been getting to work a little bit faster than usually...

Also, I forgot to mention that my Fuse 8 has a short in it somewhere. I believe it's the radio, just because someone installed an aftermarket one and not very well. Would this fuse being blown have anything to do with this?
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Old 10-30-2014, 02:22 PM   #4
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Speedometer Problem

You might wanna take out the instrument cluster assembly off of the dash. And check the plastic speedometer gears for integrity (maybe change speedo drive gear clip as well). If you know how to use a multimeter, you can also check the connectors (wires), to rule out wire/fuse problems. Or check the speed sensor itself and trans connection.


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Old 11-01-2014, 06:58 PM   #5
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Are you asking about the speedometer or the tachometer because the speedometer has nothing to do with the engine and on your car it is cable driven so it wouldn't be part of any fuse the tachometer is gonna be built into your coil pack which is run by the computer which it should be working if your engine is running fine and if your instrument cluster is working then the fuse is good. It's not gonna just mess up one gauge. So if it is your speedometer then the guy probably put gears in and didn't swap the speedometer gear in the back of the tranny.


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---------- Post added at 05:58 PM ---------- Previous post was at 05:57 PM ----------

Is it stick or auto?


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Old 01-24-2015, 04:50 PM   #6
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So, this actually turned out to be a problem with the wiring in the head unit. Some young buck that had the car before me did a pretty bad job trying to install a new head unit and grounded the battery wire directly to the ground XD. Well, upon fixing this it fixed both the short in fuse 8 and the speedo problem. Thanks for the suggestions guys!
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