zf5 swap problems
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zf5 swap problems
Hello everyone,
I swapped in a zf5 in place of my e4od in my 1990 crew cab. I rebuilt the 460 in it and also swapped in a dana 50 front axle and bw 1345 transfer case cuz hey why not have a 4x4. I am using the auto ecm because it should allow it to at least start.
problem Im having now is it wont start. starter not moving at all.
things I've done:
1. crossed the wires for the neutral safety switch.
2. checked fuses.
3. bench tested the starter and dont get anything from it then either, tested 2 brand new ones and same story.
4. swapped in a new starter relay. I get 6 volts to the sender wire but it doesnt actually send the 12 volts to the starter side. ( I had all these parts laying around so we arent doing a throw money at it type solution)
5. Only interesting thing it does is when I turn the key it makes the sound for the starter to engage. then all the cab lights cut to half bright and the radio turns off. If I disconnect the battery there is a pop from around the engine relays and when I reconnect the battery the post is hot but everything works again. I checked for grounded wires and nothing.
Any ideas? p.s Lets try to avoid the throw money and parts to solve it.
I swapped in a zf5 in place of my e4od in my 1990 crew cab. I rebuilt the 460 in it and also swapped in a dana 50 front axle and bw 1345 transfer case cuz hey why not have a 4x4. I am using the auto ecm because it should allow it to at least start.
problem Im having now is it wont start. starter not moving at all.
things I've done:
1. crossed the wires for the neutral safety switch.
2. checked fuses.
3. bench tested the starter and dont get anything from it then either, tested 2 brand new ones and same story.
4. swapped in a new starter relay. I get 6 volts to the sender wire but it doesnt actually send the 12 volts to the starter side. ( I had all these parts laying around so we arent doing a throw money at it type solution)
5. Only interesting thing it does is when I turn the key it makes the sound for the starter to engage. then all the cab lights cut to half bright and the radio turns off. If I disconnect the battery there is a pop from around the engine relays and when I reconnect the battery the post is hot but everything works again. I checked for grounded wires and nothing.
Any ideas? p.s Lets try to avoid the throw money and parts to solve it.
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