Speedo, odo, thermo won't work - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 3 Old 07-30-2010, 09:24 AM Thread Starter
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Speedo, odo, thermo won't work

Well my Speedometer, odometer and thermometer are not working. The speedo is just sitting at 0mph, the odometer and thermometer are at whatever they read when the problem started.

The back story:

I had 34" tires installed and used the Procal to adjust the speedo and turn off the TPMS. That was last September. It's been fine since then. Yesterday I installed 35" tires and wanted to adjust the speedo again. I set the pins on the Procal and plugged it in. 2 Beeps. Sweet. I start the Jeep and put it in gear. Back out of the driveway and start to drive down the road. WTF, no speedometer reading. So I tried a reset and doing it all again. Same result. I get the 2 beep confirmation each time but the speedo won't work. So I use my GPS to drive to the store and when I get home I realize my Odometer hadn't changed either. I begin to check other dash functions and my thermometer is stuck at 81 deg. It was def not 81 deg when I got home.

So does anyone know what the problem could be? Fuse maybe? The only thing that pisses me off is that I didn't notice whether the speedo was working when I left the tire shop. I live 2 minutes away and have no need to look at the speedo to drive 3 blocks. Could they have knocked a sensor loose or something?

Any help would be awesome. I can't get it to the Dealership until Wednesday and would like to avoid that if possible.
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post #2 of 3 Old 07-30-2010, 09:39 AM
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Mine did the same thing for me once. I believe it was due to me not reseting to stock before changing the tire size. If I remember correctly I reset to stock, got the three beeps and I believe (but not for sure) I disconnected my negative battery cable for a while. I drove it stock for a couple of miles and my speedo and everything was working. I then changed it to the new tire size and have not had any other problems. Hope this helps!

Joe
Det. Yellow 4dr Rubicon
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post #3 of 3 Old 07-30-2010, 11:30 AM Thread Starter
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I'll give it a try.
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