Starter Solenoid ???????? Help - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Eyegore · 07-20-2011, 10:14 PM

On my sons 1982 c2500 2wd 6.2 Diesel the starter stopped working. I suspect it was the solenoid on the starter so I purchased a solenoid from Oreillys, there quite a bit $$$$ difference so you'll know why I'm trying this first. Now the old solenoid has two relays, one I believe for the battery (power) the others for the starter switch it has an "S" by it. Now my dillema, the new solenoid has 3 connections, the large main for power then two smaller ones one labled "S" the other "R", I know I need to connet the main and the "S" but is this going to cause a problem if the other relay is left unconnected, and what would I connect. If you can offer ant advice I would certainly appreciate it. I truly hate electrical problems also its 108 degrees here today.

Thanks guys.

Tom

67_SS396 · 07-20-2011, 10:51 PM

One should be a start relay and the other should be a charging relay. That's how my 86 CUCV is and that portion of the wiring isn't any different than the civilian models.
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Eyegore · 07-20-2011, 11:02 PM

But currently there is no thrid wire to hook up the solenoid, there are only two.

Telecasterjoey · 07-20-2011, 11:14 PM

I replaced the solenoid on my starter and it had three connections. I only hooked up the two like you're proposing and it worked fine!
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67_SS396 · 07-20-2011, 11:19 PM

I understand now. Just hook the two wires up and you're good to go. The third post (R) on the solenoid was used primarily on points systems. It's not used on most wiring harnesses anymore.
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Eyegore · 07-20-2011, 11:22 PM

Hey guys thank you so much I really apprecite it.

Tom

1LowToy · 07-21-2011, 07:52 PM

The third wire is for vehcles with ignition points. It supplies 12 volts during starting to the coil. Run position the coil only gets 9 volts on some early models.

07-20-2011, 10:14 PM	#1
Eyegore What Hump? Join Date: Apr 2003 Location: New River AZ Posts: 2,009	Starter Solenoid ???????? Help On my sons 1982 c2500 2wd 6.2 Diesel the starter stopped working. I suspect it was the solenoid on the starter so I purchased a solenoid from Oreillys, there quite a bit $$$$ difference so you'll know why I'm trying this first. Now the old solenoid has two relays, one I believe for the battery (power) the others for the starter switch it has an "S" by it. Now my dillema, the new solenoid has 3 connections, the large main for power then two smaller ones one labled "S" the other "R", I know I need to connet the main and the "S" but is this going to cause a problem if the other relay is left unconnected, and what would I connect. If you can offer ant advice I would certainly appreciate it. I truly hate electrical problems also its 108 degrees here today. Thanks guys. Tom __________________ Lil red 86 c-10 99 Sub 78 Camper Special w/ 454

07-20-2011, 10:51 PM	#2
67_SS396 Registered User Join Date: Mar 2000 Location: Blue Ridge, Tx Posts: 1,172	Re: Starter Solenoid ???????? Help One should be a start relay and the other should be a charging relay. That's how my 86 CUCV is and that portion of the wiring isn't any different than the civilian models. Posted via Mobile Device __________________ Fawker Fab three seater rock crawler buggy 498 BBC/SM465/203/205 doubler, propane, 5.13's, 42" PB Rockers '66 C10 - The new hot rod '77 3+3 Dually - 12 valve 4wd conversion tow rig project '28 Ford 2 door sedan street rod RevLimit Offroad "Hang on beer, we can do this."

07-20-2011, 11:02 PM	#3
Eyegore What Hump? Join Date: Apr 2003 Location: New River AZ Posts: 2,009	Re: Starter Solenoid ???????? Help But currently there is no thrid wire to hook up the solenoid, there are only two. __________________ Lil red 86 c-10 99 Sub 78 Camper Special w/ 454

07-20-2011, 11:14 PM	#4
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Starter Solenoid ???????? Help I replaced the solenoid on my starter and it had three connections. I only hooked up the two like you're proposing and it worked fine! Posted via Mobile Device

07-20-2011, 11:19 PM	#5
67_SS396 Registered User Join Date: Mar 2000 Location: Blue Ridge, Tx Posts: 1,172	Re: Starter Solenoid ???????? Help I understand now. Just hook the two wires up and you're good to go. The third post (R) on the solenoid was used primarily on points systems. It's not used on most wiring harnesses anymore. Posted via Mobile Device __________________ Fawker Fab three seater rock crawler buggy 498 BBC/SM465/203/205 doubler, propane, 5.13's, 42" PB Rockers '66 C10 - The new hot rod '77 3+3 Dually - 12 valve 4wd conversion tow rig project '28 Ford 2 door sedan street rod RevLimit Offroad "Hang on beer, we can do this."

07-20-2011, 11:22 PM	#6
Eyegore What Hump? Join Date: Apr 2003 Location: New River AZ Posts: 2,009	Re: Starter Solenoid ???????? Help Hey guys thank you so much I really apprecite it. Tom __________________ Lil red 86 c-10 99 Sub 78 Camper Special w/ 454

07-21-2011, 07:52 PM	#7
1LowToy Registered User Join Date: Nov 2009 Location: Sonora California Posts: 860	Re: Starter Solenoid ???????? Help The third wire is for vehcles with ignition points. It supplies 12 volts during starting to the coil. Run position the coil only gets 9 volts on some early models.



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