Ouch man...I feel your pain on this matter. The whole "aging" car thing likes to bit us in the ass sometimes. I have a passenger side signal light that likes to do its own thing from time to time. Some days is fast flashes other days its fine...I've been through the harnes more then a couple times and found nothing. Hope you have better luck.
As a side note, I wouldnt fill up @ that gas station ever again, its probably cursed. LOL.
-Royce
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If it has tires or boobs it's going to cost you money...