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01-12-2018, 08:11 PM
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#1 |
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Registered User
Join Date: Jul 2011
Location: Vernon BC Canada
Posts: 287
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69 c10 wont fire up
ok so im back ... my poor 69 wont fire it was fine 2 weeks ago. its a inline 250 with HEI i took the coil out and put a meter on it both the primary and secondary coil ar good. i have power going to the cap. ran i hot wire right to it from the batt just to make sure. wtf is going on. what should i check next . took a plug out had my gf turn the truck over as i grounded the threads no spark. what is going on? please please help me . i want back in my truck .
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01-12-2018, 08:13 PM
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#2 |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: 69 c10 wont fire up
Is the distributor spinning?
Is the battery weak? Is the cap old and nasty? Cracked? Grounds for engine are good? Burned up rotor? For the heck of it, pour a little gas down the carb and see if it wants to start?
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"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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01-12-2018, 09:26 PM
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#3 |
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Registered User
Join Date: Jul 2013
Location: LI, NY 11801
Posts: 1,140
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Re: 69 c10 wont fire up
Points & condenser or electronic ignition? Which electronic?
One plug has no spark or all of them? <-- Quite important! Turn it over in the dark to see if any wires are grounding out. Bill
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1970 C10 8' Fleetside, L6 250, 3 on the Tree. The most basic of pickup trucks! |
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01-12-2018, 09:36 PM
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#4 |
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Registered User
Join Date: Jul 2011
Location: Vernon BC Canada
Posts: 287
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Re: 69 c10 wont fire up
i only have a month to get this done. ill check all for spark tomorrow. and im sure its just a delco remy cap and coil. nothing fancy.i put fuel in the carb ...nothing. cap is good grounds are good. its not burnt up.
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01-12-2018, 10:04 PM
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#5 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,723
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Re: 69 c10 wont fire up
If you are running an HEI should always keep a spare module around IMO. It is the component most likely to fail and easy enough to swap and test.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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01-12-2018, 10:12 PM
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#6 |
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Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Re: 69 c10 wont fire up
That's my guess too. Ignition module.
Easiest way to check spark is throw a timing light on a few of the wires.
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My build page http://67-72chevytrucks.com/vboard/s...d.php?t=764662 My cabinet building site http://www.cbcabinets.com |
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01-12-2018, 10:24 PM
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#7 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,441
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Re: 69 c10 wont fire up
The module is the usual culprit and on occasion the pickup coil fails. In all of my years I have only had one pickup coil fail. Nephew said that was the problem with mine. I said nooooooo. Yup. It was. You have to disassemble the dist to replace it too.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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01-12-2018, 10:49 PM
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#8 |
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Registered User
Join Date: Oct 2005
Location: Metro Vancouver
Posts: 444
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Re: 69 c10 wont fire up
Make sure battery has a full charge.
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1972 Chevy C10 Custom Deluxe Highlander 1972 Chevy C10 Custom Deluxe Medium Green |
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01-13-2018, 02:23 PM
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#9 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,723
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Re: 69 c10 wont fire up
Skip White sells a brand new L6 HEI distributor complete for $68. Gives you a spare everything.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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01-13-2018, 02:39 PM
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#10 |
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Msgt USAF Ret
 
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,717
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Re: 69 c10 wont fire up
See your replies in the electrical forum.
It isn't a good idea to post in more than one section about the same issue, it leads to confusion for forum members and besides it's against forum rules.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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01-14-2018, 11:41 PM
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#11 |
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Registered User
Join Date: Jul 2011
Location: Vernon BC Canada
Posts: 287
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Re: 69 c10 wont fire up
oh sorry i didnt know that. just to let anyone know who has to deal with this ever.. the problem was the coil. like it is most of the time. also when i was removing the old one i noticed that the ground wire was in the wrong location. the coil is held on by four screws, ground wire is under one of them,under the coil is a metal strap that the one screw goes in. my truck is now running great again thanx for everything. again sorry for the posting in more then one fourm
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01-15-2018, 01:49 AM
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#12 |
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Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,717
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Re: 69 c10 wont fire up
Darn I thought about the ground on the coil but you said that it had just quit running so the module seemed to be the culprit. You got a lot of good ideas anyhow.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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