No crank
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5th Wheeling
Joined: Dec 2006
Posts: 38
Likes: 3
No crank
I am baffled. I’m thinking ignition switch or neutral switch. I get in the truck, 73 f-350, start the truck. It dies. It’s cold out so no biggie, turn the key and nothing. No click, nothing. I find a piece of wire and jumper the starter solenoid straight from the battery with the key on and it starts and stays running. Problem, is I now have to jumper the solenoid to start it. I don’t want to keep throwing parts at it and see what sticks. I’m thinking it’s the ignition switch, I don’t know if it’s the original or if has been replaced at any time.
Cargo Master
Joined: Jul 2005
Posts: 2,309
Likes: 364
From: Kansas
what parts have you thrown at it already? what have you checked with a multimeter? Have you tried moving the shift lever through the gears with the key in crank position to see if the NSS is out of adjustment? do your reverse lights come on when the shift lever is in the "R" position?
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5th Wheeling
Joined: Dec 2006
Posts: 38
Likes: 3
I haven’t “thrown any parts at it” because I said that I didn’t want to do that until I could figure it out. I did move the shifter through all the gears to see if it would start. It did not still didn’t crank. I have not had time to put a multimeter on it to find anything out or take anything apart the check.
Cargo Master
Joined: Jul 2005
Posts: 2,309
Likes: 364
From: Kansas
Check to make sure the metal actuating clip is attached to the shift tube and is making contact with the NSS slider. Next, You should have 12v on the R-BL wire coming out of the ignition switch with the key in crank. That wire goes to one side of the NSS on the column...12v should be seen there and on the other R-BL wire coming out of the switch with key in crank. if everything checks out, make sure you have continuity from the NSS output to the S terminal on the solenoid...let us know what you find...
Lead Driver
Joined: Jul 2017
Posts: 9,580
Likes: 1,162
From: San Jose, CA
Glad you found a problem. But where exactly is this fuse? In a '73, there should be no fuse on a starter circuit that I'm aware of.
Doesn't mean that they don't exist of course. Just that I've never seen or heard of one. Especially when our factory fuse boxes have only five or six fuses to begin with.
Or has the truck been re-wired at some point?
If you can, post up a picture of the fuse so we can check it out.
Thanks!
Paul
Doesn't mean that they don't exist of course. Just that I've never seen or heard of one. Especially when our factory fuse boxes have only five or six fuses to begin with.
Or has the truck been re-wired at some point?
If you can, post up a picture of the fuse so we can check it out.
Thanks!
Paul
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5th Wheeling
Joined: Dec 2006
Posts: 38
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Glad you found a problem. But where exactly is this fuse? In a '73, there should be no fuse on a starter circuit that I'm aware of.
Doesn't mean that they don't exist of course. Just that I've never seen or heard of one. Especially when our factory fuse boxes have only five or six fuses to begin with.
Or has the truck been re-wired at some point?
If you can, post up a picture of the fuse so we can check it out.
Thanks!
Paul
Doesn't mean that they don't exist of course. Just that I've never seen or heard of one. Especially when our factory fuse boxes have only five or six fuses to begin with.
Or has the truck been re-wired at some point?
If you can, post up a picture of the fuse so we can check it out.
Thanks!
Paul
When I rebuilt my motor recently I cleaned up the old harnesses and redid some wiring. I’m an electrician by trade and all the wires that I had added and was adding looked horrible so I cleaned it up. Also with that said I put a lot of things on relays. And put the whole truck on a single relay and circuit breaker (which is nice if I ever drive into San Francisco I can trip the breaker and lock the hood and it’s somewhat secure). I added a pic and labeled it all for you. This is on the passenger side inner fender right behind the battery.
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Lead Driver
Joined: Jul 2017
Posts: 9,580
Likes: 1,162
From: San Jose, CA
Ha ha! Yes, good to know. But great job on the rewire.
Looks good. I’m a big fan of relays and I’m glad modern cars use so many. But I’m even more glad that they’re as reliable in general as they are. With so many parts being a crapshoot these days, it’s nice to have ones that work.
Would love to see some more pics under the hood.
Looks good. I’m a big fan of relays and I’m glad modern cars use so many. But I’m even more glad that they’re as reliable in general as they are. With so many parts being a crapshoot these days, it’s nice to have ones that work.
Would love to see some more pics under the hood.
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