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post #1 of 19 (permalink) Old 11-10-2019, 05:47 AM Thread Starter
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Starter solinoid compatable

Just wondering if the HD Stancor solinoid that we use to replace the GP relay can also be used as the fender mount starter solinoid?
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post #2 of 19 (permalink) Old 11-10-2019, 05:55 AM
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Re: Starter solinoid compatable

It can but why?

The fender mounted solenoid does not have any high amperage going through it. It is more of just a switch than a solenoid or relay along with being a terminal for wires to connect to.

96 F250 XLT 4x4, 4:10 gears, 5 speed, Tymar intake and HX hose, downpipe, pyro and boost guages, coolant filter, Luc clutch
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post #3 of 19 (permalink) Old 11-10-2019, 06:09 AM Thread Starter
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Re: Starter solinoid compatable

Thanks for the fast response Bugman- just wondering.
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post #4 of 19 (permalink) Old 11-10-2019, 02:55 PM
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Re: Starter solinoid compatable

If you look at how it is wired you will see that there is a large wire from the battery going to one post and on that post you will also see the wire going down to the starter and the wire that is switched through the solenoid is a smaller gauge that also goes to the starter.

96 F250 XLT 4x4, 4:10 gears, 5 speed, Tymar intake and HX hose, downpipe, pyro and boost guages, coolant filter, Luc clutch
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post #5 of 19 (permalink) Old 11-10-2019, 03:07 PM
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Re: Starter solinoid compatable

the main difference between the starter relay and the glow plug relay is that the starter relay is case grounded the glow plug relay in internally grounded.
in a pinch you can use a glow plug relay in place of a starter relay, but you would have to ground one of the small terminals to make it work

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post #6 of 19 (permalink) Old 11-12-2019, 02:09 AM Thread Starter
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Re: Starter solinoid compatable

Thanks for that tjctransport- I knew they looked the same but I figured there was a difference.

Thanks Bugman- I am going to check that wiring when it warms up. IIRC, I only have one wire on one of the large terminals and 4 or 5 wires on the other large terminal. It has been this way since I've owned the truck and no problems but should I rewire it?

One small wire is on one small terminal and nothing on the other sm. terminal. I now know that is because the SS is case grounded.
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post #7 of 19 (permalink) Old 11-12-2019, 02:48 AM
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Re: Starter solinoid compatable

It sounds like the wiring is correct. One large lug will have the battery feed, glow plug wires, starter wire, and one to the fuses box. The other side will have just one wire that goes down to the actual starter solenoid on the starter.

Here's a picture of mine.
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File Type: jpg Fender Solonoid.jpg (18.7 KB, 7 views)

96 F250 XLT 4x4, 4:10 gears, 5 speed, Tymar intake and HX hose, downpipe, pyro and boost guages, coolant filter, Luc clutch
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post #8 of 19 (permalink) Old 11-12-2019, 02:56 AM Thread Starter
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Re: Starter solinoid compatable

Bugman,I'm glad to see that my wiring looks like yours- GTG.

I've also read that the battery cables themselves can decay from the inside out. Any thoughts?
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post #9 of 19 (permalink) Old 11-12-2019, 03:07 AM
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Re: Starter solinoid compatable

They can, water and DC voltage does not mix and if you see a green powder appearing on your cables their life is short.

You can do voltage test if you start having starting problems which will also tell if you just have a bad cable terminal or wire. A wire problem is harder to do with just voltage testing.

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post #10 of 19 (permalink) Old 11-12-2019, 04:58 AM Thread Starter
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Re: Starter solinoid compatable

Quote:
Originally Posted by Bugman View Post
They can, water and DC voltage does not mix and if you see a green powder appearing on your cables their life is short.

You can do voltage test if you start having starting problems which will also tell if you just have a bad cable terminal or wire. A wire problem is harder to do with just voltage testing.
By 'starting problems' do you mean- cranks but does not start? Like not enough voltage, amperage left for the PCM, IDM to function properly?
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