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08-14-2017, 07:51 PM
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#1 |
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Registered User
Join Date: Aug 2017
Location: Florence, AL
Posts: 4
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72 c10 250 starting issue
HI all,
My C10 started running very rough through 1st and 2nd gear the other day but 3rd was smooth. The idle was very rough, then it died and when I try to crank it, nothing happens. No starter clicking, just silence. I recently replaced the plugs etc, and when I check them they were all fouled. But I adjusted the idle so that it wouldn't run as rich when I replaced the plugs. In addition the generator "dummy" light was lit the day it died. Any help will be greatly appreciated here. Also if anyone has a wiring diagram for the motor I could use that to chase down another issue. |
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08-14-2017, 08:05 PM
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#2 |
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Registered User
Join Date: Jul 2013
Location: LI, NY 11801
Posts: 1,140
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Re: 72 c10 250 starting issue
Information needed...
What Year, Model, Engine and Carburetor? Duh, saw title '72 C10! Engine and Carburetor?
__________________
1970 C10 8' Fleetside, L6 250, 3 on the Tree. The most basic of pickup trucks! Last edited by bill3rail; 08-14-2017 at 08:23 PM. |
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08-14-2017, 08:09 PM
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#3 |
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Registered User
Join Date: Aug 2017
Location: Florence, AL
Posts: 4
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Re: 72 c10 250 starting issue
72 chevy c10, 250 in line, single barrel carb, automatic.
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08-14-2017, 09:08 PM
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#4 |
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Registered User
Join Date: Sep 2013
Location: Gonzales, La
Posts: 1,441
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Re: 72 c10 250 starting issue
Check your inline fusible link at the battery. Mine died once with the gen light on and the fusible link was burnt thru.
__________________
MyToys: Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles. Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop. Brutus the 1998 Camaro Z28, 33,500 original miles, LS1, 519 RWHP/497 RWTQ. Member of the Louisiana Classic Truck Club, LCTC Member of the Louisiana C10 Club Member of the Baton Rouge Drifters Car Club |
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08-14-2017, 09:49 PM
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#5 |
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The Older Generation
   
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,665
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Re: 72 c10 250 starting issue
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Also, completely remove both battery cables and clean all ends and posts. Sounds like you might have some corrosion. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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08-31-2017, 03:25 PM
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#6 |
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Registered User
Join Date: Aug 2017
Location: Florence, AL
Posts: 4
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Re: 72 c10 250 starting issue
Thanks ya'll. I've been tied-up with work etc, but i'm going to dig into it this weekend.
Anyone by chance have a wiring diagram for this motor? |
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09-01-2017, 01:43 AM
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#7 |
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Msgt USAF Ret
 
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,718
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Re: 72 c10 250 starting issue
Classic symptoms of a failing charging system, alternator or regulator.
Engine missing because of lower battery voltage, red light comes on when the battery or alternator fails. No start after the engine dies because the battery voltage is too low. You also need to check and clean all the connections and grounds as Locdoc advised.
__________________
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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09-01-2017, 10:10 AM
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#8 |
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Registered User
Join Date: Aug 2017
Location: Florence, AL
Posts: 4
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Re: 72 c10 250 starting issue
Outstanding!
Thank you gentlemen, I will post an update once I have it running again. |
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| 72 chevy 250, rough idle, running rich, starting issues, wiring diagrams |
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