Serious TPS issue - 5V on all three wires

TwinTurboRT

Founding Member
Dec 3, 1999
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Tryon, OK
Any ideas on what could cause it? 5V on the red, 5 on the green... 5 on the BLACK?!?

Car runs okay, has misses and issues, but it only happened when I installed a new TB. Changed TPS with a new one... also doing the same.

The only thing that I can't verify is that the 93 Cobra uses the same TPS and adjustment - I'm running an X3Z EEC, Cobra harness, Maf, injectors... I'm assuming it does, but this is just jacked up- any help guys?