1999 Ford F150 4.6 4x4 no crank, no start
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If I understand correctly, you're missing power at Fuse 21 in the crank position?
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- John Curtis
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Making Pressure Differential Sensors (PDA Sensors) for pressure pulse diagnostics.
Currently servicing Central Texas.
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- Southern_Ways
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tom.davis wrote: no crank, no start but if I take my little test light and touch the starter/ ignition fuse # 21 under the dash the truck will crank start and run. So basically I am grounding out that starter/ ignition circuit when I do this.
If I understand correctly, the engine does not crank when the key is turned to the "START" position. But, if you test the fuse with a test-light like this:
while the key is in the "START" position, the engine will crank, start, and run.
If that is the case, then I second what jreardon said:
jreardon wrote: Perhaps it's bad fuse contacts. Instead of using a test light, try pushing the fuse in with your finger while your crank.
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right.
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"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right.
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