The yellow wire is for the dash "idiot" light, which is not a standard option on a 46. Perhaps the PO wanted to put an indicator light on the dash, but didn't get around to it.
Last edited by di1953gmc; 11/15/2011 7:16 PM.
When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
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