3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

New Commander installed readings are all screwed up.

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Old Jun 14, 2007 | 02:51 PM
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New Commander installed readings are all screwed up.

Anyone have this happen to them? My pyro says 1832 at idle, water temp says 273, and the trans temp which isn't even hooked up yet is giving me a reading. Triple checked wiring and all looks good. What gives?

BTW, I have already called Quadzilla and am still waiting for return call.
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Old Jun 14, 2007 | 03:03 PM
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Bad ground.

1832deg is what it will read if nothing is connected to the thermocouple. That might be the problem with the whole thing.
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Old Jun 14, 2007 | 03:14 PM
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I have tried 3 grounding points and even straight to the battery and no difference. Anymore ideas?
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Old Jun 14, 2007 | 03:16 PM
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I am actually getting 32 degrees with the thermocouple disconnected. I get about 690 with it hooked up and engine off. With engine on it goes to 1832 in about 2 minutes.
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