84 c70 ignition issues - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Magilla88 · 11-29-2013, 02:41 PM

OK I have a 1984 gmc c70 dump w a 366/ clark 5 speed -eaton 2 speed rearend

I have have been working the bugs out of this for a few months now mostly minor stuff but now last night the ignition crapped out. I take it all apart and realize that mickey mouse was there before me.

I have the 7 wire harness for the holley eg-4150 carb and they somehow combined all 7 wires to 4 posts.

My question is will any universal 7 post ignition work? Has anyone dealt with this before please chime in. I am keeping the holley carb for now so would like to have it all wired right.

Thanks
Matt

mrolds88 · 11-29-2013, 09:47 PM

Pics may help.

Magilla88 · 11-30-2013, 02:24 PM

Ok so I was able to find out the GM Part Number 1116712 and from there I was able to locate new ignition switch, lock cylinder and replacement harness to splice into factory.

MRolds88, Pics would have been helpful as the current switch is a mickey moused universal. I do believe I have it solved

mrolds88 · 11-30-2013, 05:45 PM

Ok sounds great. I was a bit confused with the description. I couldn't put the 7 wire harness and the Holley together. I thought you had issues under the hood. Turns out you were under the dash. Glad you got it under control!!

11-29-2013, 02:41 PM	#1
Magilla88 Registered User Join Date: Jun 2005 Location: ma Posts: 22	84 c70 ignition issues OK I have a 1984 gmc c70 dump w a 366/ clark 5 speed -eaton 2 speed rearend I have have been working the bugs out of this for a few months now mostly minor stuff but now last night the ignition crapped out. I take it all apart and realize that mickey mouse was there before me. I have the 7 wire harness for the holley eg-4150 carb and they somehow combined all 7 wires to 4 posts. My question is will any universal 7 post ignition work? Has anyone dealt with this before please chime in. I am keeping the holley carb for now so would like to have it all wired right. Thanks Matt

11-29-2013, 09:47 PM	#2
mrolds88 Registered User Join Date: Jul 2011 Location: WV Posts: 946	Re: 84 c70 ignition issues Pics may help. __________________ 72 GMC C2500 402/Th400 first truck (still have) 77 GMC C3500 CC dually Sold 70 C50 dump truck "Rusty" 87 K10 Suburban Sold 93 K2500 xcab 6.5TD 96 GMC K2500 Suburban 6.5 TD

11-30-2013, 02:24 PM	#3
Magilla88 Registered User Join Date: Jun 2005 Location: ma Posts: 22	Re: 84 c70 ignition issues Ok so I was able to find out the GM Part Number 1116712 and from there I was able to locate new ignition switch, lock cylinder and replacement harness to splice into factory. MRolds88, Pics would have been helpful as the current switch is a mickey moused universal. I do believe I have it solved

11-30-2013, 05:45 PM	#4
mrolds88 Registered User Join Date: Jul 2011 Location: WV Posts: 946	Re: 84 c70 ignition issues Ok sounds great. I was a bit confused with the description. I couldn't put the 7 wire harness and the Holley together. I thought you had issues under the hood. Turns out you were under the dash. Glad you got it under control!! __________________ 72 GMC C2500 402/Th400 first truck (still have) 77 GMC C3500 CC dually Sold 70 C50 dump truck "Rusty" 87 K10 Suburban Sold 93 K2500 xcab 6.5TD 96 GMC K2500 Suburban 6.5 TD



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