Question about 2008 GMC Sierra 2500HD 2WD
No, and the check engine light comes on and on the trax II unit under the status I get EOG which means open circuit
Sorry for taking so long to get back to you, doing the holiday thing with the family. From what I read from both Transflow and GMC. When tieing into the purple, both the Trax gage and OEM gage will work. The purple should be the relay wire to the ECD, controlling the low fuel warning lamp. The Trax gage uses this wire to monitor and show the capacity of the stock tank. I'm going to say that you have the wrong wire, however, if you're dead sure you have the right wire, Transflow's web site has a listing for local techs or installers, you may want to give one a call. After all, it is an electrical device and they do fail even when new. Goes back to that whole "lowest" bidder thing.
Posted on Jul 06, 2008
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Posted on Jan 02, 2017
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