Tim240z Posted March 10, 2004 Share Posted March 10, 2004 Running with the LT1 PCM. I put the Speedo in calibration mode, drove the 2 miles and then hit the button again, but it doesn't zero like it's supposed to, it goes to full peg, like it's waiting to go into calibration mode again. If I switch off the car and then on again, it resets to zero, but doesn't move at all when driving. Any ideas? Tim Quote Link to comment Share on other sites More sharing options...
Dan Juday Posted March 10, 2004 Share Posted March 10, 2004 Tim, I used that speedo when I did the Tomahawk/LT1 swap. I e-mail Autometer for clearification on hooking it up. They said not to use the wire from the PCM but splice directy into the wire from the VSS. Maybe this is your problem. I used a hand held GPS when I calibrated it. Worked perfect first time. Quote Link to comment Share on other sites More sharing options...
Tim240z Posted March 10, 2004 Author Share Posted March 10, 2004 That must be it, Dan. Thanks!! Tim Quote Link to comment Share on other sites More sharing options...
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