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Old 02-20-2014, 03:57 PM
spdrun spdrun is offline
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Join Date: May 2011
Location: NYC
Posts: 6,030
Originally Posted by tangofox007 View Post
Kindly explain how "screwy grounds" could cause turn signal and other annunciator lights to illuminate.
The turn signal annunciator lights are wired between ground and the positive line to the turn signals. If ground isn't tied to ground and the signals are off, current will flow through the annunciator lights through the turn signal lamps filaments to their grounds, so long as the lamps are off.

Anyway UPDATE:

Pulled the cluster this morning. Most of the screws holding the metal back plates were either loose or missing. Replaced the screws, tightened, and ran a separate ground wire from two spots on the back plane to the chassis. All works correctly now.
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