Replaced, cleaned all the grounds, still no luck with speedometer. One interesting thing is when sitting still and car running, pull the parking brake and the 12v light comes on and blinks. Tested l sat night, and lost 12v power, when speedometer blinks and try to come on I have 12v power.
I agree! I have the back lid off and have been checking everything that I can see. Sitting there with the car idling and all the doors shut. When the brake lt and bat lt blink I hear a very faint click. Cleaned the connector plugs and tried to wriggle almost any wire except the ima wires. But no luck on those lights nor speedometer. Have an electrician coming over soon to look for a short or a bad ground, he wires autos and multi million dollar yachts and loves a challenge.
Would a short on a speed sensor cause all this?
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