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Starter Circuit Problem

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Power / momentum loss at cruise

Ram Air Hoodust

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I've been going through old threads on this and haven't really found my problem. I got a new shut off solenoid after years of using a pull cable to the shut down lever. It had an L shaped set of tabs on top for just one wire plug. When installing the new I've figured out that the tab I wasn't using was in contact with the body of the fuel pump. When I went to start, it turned over for a second or so and then I saw a puff of white smoke under the hood. I shut it off & pulled the wire from the solenoid.

I noticed no burn marks and didn't smell anything burning, either under the hood or in the cab. I get nothing on the starter. No Water in Fuel light, no relay click and no starter.

I have interior, exterior & under hood lights. I have power window controls. I don't have wipers or radio.

I've inspected the relays beside the grid heater relays and see or smell no signs of burn damage. A lot of what I read today was directed to the ignition switch, which I haven't looked into yet. I checked the plug coming off the battery lead with the brown & pink wire & no damage. I'm not sure where fusible links might be.

I went looking online for relays and I keep seeing ones with an L shape to the plugs, but all 3 of mine have a diamond pattern & one of them is a diamond with a plug in the middle. Does anyone have a source or part number for these?

My main question for the Electrical Gurus is; What do you think I fried?
 
Thanks! The orange one, closest to the engine stretches like a rubber band. Having never looked at this item before, it appears that all 5 have to changed because they all come out of the big plug. Is this correct? I'm also having a problem finding these in parts inventories. Are these a generic, electrical item? Thanks for any replies.

EDIT *** Spent the morning watching YouTube videos about repairing fusible links & also replacing. My goal is to just repair the one to see if it is the cause of my current problem. I did strip away the 23 year old tape on the big wiring harness to see if there were any previous patches. It looks like nothing had been done since the factory and all looks well.

Do have a question for any of you who've replace the fusible links, did you go with fuses or circuit breakers, and why? I may do this next spring.
 
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Thanks! The orange one, closest to the engine stretches like a rubber band. Having never looked at this item before, it appears that all 5 have to changed because they all come out of the big plug. Is this correct? I'm also having a problem finding these in parts inventories. Are these a generic, electrical item? Thanks for any replies.

EDIT *** Spent the morning watching YouTube videos about repairing fusible links & also replacing. My goal is to just repair the one to see if it is the cause of my current problem. I did strip away the 23 year old tape on the big wiring harness to see if there were any previous patches. It looks like nothing had been done since the factory and all looks well.

Do have a question for any of you who've replace the fusible links, did you go with fuses or circuit breakers, and why? I may do this next spring.

You don't have to replace them all. What you do is bypass the one that's burned out using a fuse.
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It was the 20 gauge fusible link on the end of the pigtail, closest to the engine. I patched it with replacement fusible link wire to see if that was it. The circuit was energized across the dashboard and the engine turns. But it won't start. It sounds like when there's air in the lines. So I cracked the first two injectors and cranked. Fuel came out. What could be keeping it from firing? I had to stop for the evening but will bleed all of them tomorrow just in case. I thought fuel, air & compression was all that's needed.

Could the shorting of the new solenoid have switched something inside the pump? I had already taken it off and put the old one back on. I've run it with a non-functioning shut off solenoid for about 5 years now with no problems.

EDIT *** It was the plunger in the solenoid. I finally got around to pulling it yesterday. I removed the plunger and reinstalled the solenoid as a plug and she fired right up. I'll hook up my pull cable on the dash again and just use the manual shut down.
 
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