2000 expedition eb with 5.4

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armyguy25

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took it into the trannsmission shop because would not shift. told me they it had a pop fuse, couldnt find any problems in the wiring. Had the tranny serviced. And it drove good for two weeks no problems. Now it has popped the Automatic Transmission, Cms Sensor. Has had a brand new computer put in it. It calls for a 15a and i put a 30a in it to see what would happen and it popped the powertrain control module. does any one have any idea what cause the fuse to pop when you put it in drive. I would like to not have to take it back to tranny shop if i can do it myself.
 

Hiloc

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There may be a direct short to ground where a wire has rubbed through and touching metal from vibration. ALWAYS use the correct size fuse for the circuit, or else the wire itself becomes the fuse that can make it a very difficult and/or expensive repair.
 
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