check your codes by turning key on and off 3 times and leaving on. your check engine light will flash. count the fast flashes then there will be a pause and several more fast flashes. For example 5 fast flashes then a pause then 5 more fast flashes is code 55. 55 means "the end of codes" and you will always have that. its probably yoru fuel pump going out though
Sounds like a serious electrical short that's grounding the system. This is easier to "eyeball" at night. Pop the hood and, with the truck running, look for an electrical arc. Rock the truck a bit or have someone juice the throttle while you watch. Where I'd start anyway.
Hmmmmmm... Me thinks you miscounted... There is no code 39 on any of the lists I have, and not in Alldata.. If you have a 727, 518, or manual tranny, you will get a 37 all the time because they are non-lockup... Check your flashes again.......
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