Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
1999 Ford F150 4.6 4x4 no crank, no start
- tom.davis
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- jreardon
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- Southern_Ways
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- tom.davis
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- Chad
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- I am not a parts changer.
6 years 2 days ago - 6 years 2 days ago #33515
by Chad
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:
"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.
Replied by Chad on topic 1999 Ford F150 4.6 4x4 no crank, no start
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.
Last edit: 6 years 2 days ago by Chad.
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- tom.davis
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6 years 1 day ago #33529
by Chad
"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.
Replied by Chad on topic 1999 Ford F150 4.6 4x4 no crank, no start
Have you checked farther down the circuit? Do you have power at the DTR sensor, on the transmission, when in the START position?
"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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