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#1 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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69 c10 starting problems
Hey all. Having some trouble starting my 69 truck. Has a 292 I6 engine. Last known start: UNKNOWN!
Replaced: Engine Oil & filter Distributor Cap and rotor spark plugs and wires battery cables It does crank but does not start. Starter seems good Keep draining the battery though when cranking there is fuel in the carb. Thought I flooded it but took all the plugs out and did a crank over a couple times to get the fuel out. Checked electrical and I am getting the right voltage through each connection **the ignition is apart, so I am just bridging the ignition harness to try to start it. (reasoning is that I don't have a key for the truck and can't seem to get the ignition out of the dash) Am I missing something else??? Can anyone help? Thanks Scott |
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#2 |
Registered User
Join Date: Oct 2006
Location: Hattiesburg, MS
Posts: 137
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Re: 69 c10 starting problems
sounds like no spark...has to be no fuel or no fire...I would guess something with ignition...timing...?? Sorry not alot of help...
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#3 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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Re: 69 c10 starting problems
If I find the TDC would this help?
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#4 |
Registered User
Join Date: Oct 2006
Location: Hattiesburg, MS
Posts: 137
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Re: 69 c10 starting problems
Ok...dumb questions....
Is the gas new? Or has it been in the truck for years? Have you tried starting it using carb cleaner in the carb? I am pretty new to "old engines" I had a problem with a fuel pump relay (but I don't think our trucks have them) if its bad would cause a pressure problem... |
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#5 |
Still Green but learning
Join Date: Nov 2004
Location: Central NC
Posts: 1,895
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Re: 69 c10 starting problems
I am green, so if this is a stupid Idea, sorry.
so when you changed/checked the rotor did you change/check teh points too? I had this same problem on the interstate and it turned out my points had popped where you could not see it without pulling them all the way out.
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-- Cory 71 Cheyenne 10 - SWB, 350, "3 on the tree" AC cab 07 Suburban LTZ 4x4 2010 Acura TL 98 Mastercraft "FrankenStar" 225 27253 UPS/USPS IIOY....nope never was |
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#6 |
Registered User
Join Date: Nov 2005
Location: Rouleau, Saskatchewan
Posts: 87
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Re: 69 c10 starting problems
Sounds like you may not have any spark, or your timing could be way off. Pull a spark and see if you have spark, if you have spark then I would check timing. Get #1 cylinder to TDC and check to see if the rotor is pointing at number 1 cylinder. If not then you need to adjust your timing
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1946 Chevy ton truck 1972 Chev C30 1975 Scottsdale C10 |
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#7 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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Re: 69 c10 starting problems
Okay, got #1 at TDC, rotor is pointing at number 1 on cap. The gas is new.
Now beside the crank, there is a plate with lines on it. Used for timing. Where should my crank timing line match up with the plate? |
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#8 | |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,515
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Re: 69 c10 starting problems
Quote:
http://67-72chevytrucks.com/vboard/s...highlight=lock LockDoc
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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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#9 |
Registered User
Join Date: Sep 2003
Location: New Salem, ND
Posts: 1,558
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Re: 69 c10 starting problems
If you did flood it you should really pull all the plugs and dry them out or replace them. (pending on how bad it was flooded) Do like mentioned above, spray some carb cleaner in the carb while cranking and see if it fires or tries. If it does them you know that you are getting spark but no fuel, and if it doesn't try to fire you are not getting spark.
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07 Chevy classic LBZ Duramax (a few mods) '67 Chevy 1/2 ton 2wd (in pieces) '69 Chevy 1/2 ton 2wd (on hold) '71 GMC 3/4 ton 4x4 ‘71 GMC 1/2 ton 2wd suburban |
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#10 |
I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: 69 c10 starting problems
Try getting an ignition switch and just plug your harness into it.Then use the key to crank it.That way there should be no question that the wiring is connected in the correct order.Try priming the carb with carb cleaner or a very small amount of fuel.It may have a dried out accalerator pump.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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#11 |
Just hang'n around
Join Date: Nov 2005
Location: Camano Island WA
Posts: 248
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Re: 69 c10 starting problems
Test the coil. These can go bad from time to time. Use starting fluid and see if it fires.
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Driving a '68 Chevy C20 and a '93 Astro Van. Lots and lots of mileage that I deduct each year. |
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#12 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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Re: 69 c10 starting problems
Okay, tested the coil, enough voltage there. Replaced the points today. I am pretty sure there is no spark. With a spark plug out attached to the wire, no spark when cranking it over.
I will pickup some carb cleaner tomorrow. Already took the plugs out and cleaned them off. The truck cranks over really good with the new battery. BUT does not start ![]() Any other suggestions??? |
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#13 |
Happy Camper
Join Date: Feb 2006
Location: Northern California
Posts: 8,408
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Re: 69 c10 starting problems
if your coil is outputting coreectly as you say and you hav no spark at the plug... I would look really close at the points.
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RIP El Jay! Love you brother! |
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#14 |
Active Member
Join Date: Jan 2006
Location: Lower Mid-East Ca.
Posts: 326
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Re: 69 c10 starting problems
Spark plug out attached to wire still won't spark if it isn't grounded, I would check the button of the dist cap that touches the rotor and see if it is ok.
I've got a bad new one before.
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Never try to teach a pig to sing; it wastes your time and annoys the pig! ![]() ![]() My lugnuts require more torque than your honda makes! 68 GMC, 4X4 conversion w/73 k20 running gear and springs, 350 4spd, 4.10's, D44 powerlok front, 14BFF govlock rear, 33" tires, lifted 4". |
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#15 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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Re: 69 c10 starting problems
Okay picked up some starting fluid, No Help. Adjusted the points, No Help. Man this truck wants to start, but can't seem to get a spark. Could it be the condenser under the distributor cap??
Now when testing the coil, how many volts shoud be showing? Would there be anything else that I am missing? |
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#16 |
Registered User
Join Date: Oct 2006
Location: Hattiesburg, MS
Posts: 137
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Re: 69 c10 starting problems
Hope you got yours started....so i have some hope...mine won't friggin start...its a 69 LWB too....lol...crazy....a little different problem than yours though...
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#17 | |
Registered User
Join Date: Oct 2006
Location: NC
Posts: 62
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Re: 69 c10 starting problems
Quote:
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'07 G6 Wife's car '00 Malibu stock, just a parts getter. '99 Blazer LT Loaded, K&N Filter, Pioneer Super Tuner,Viper '88 K1500 Cheyenne, 5.0, stock, bought new '86 Nissan 720 Trash Truck '69 C/10 step side, 307, all original, second owner, in process of restore. The person who says it cannot be done should not interrurt the person doing it. Share your knowledge. It is a way to achieve immortality. Allen- Paintman Wrenchtwister Broompusher |
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#18 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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Re: 69 c10 starting problems
Umm let me clarify what I am doing. The ignition harness: I am using a wire and basically hot wiring the truck. Should I be putting a wire on the pos battery to the pos coil instead???
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#19 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
|
Re: 69 c10 starting problems
Okay, update. Bought a new condenser... still no luck. Man loosing hope here. Could it be the coil? Can someone tell me how to test it.
Thanks for everyones help Scott |
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#20 |
Registered User
Join Date: Oct 2006
Location: Louisville Ky
Posts: 179
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Re: 69 c10 starting problems
to test spark correctly take a screw driver shove it in the boot and hold 1/8th of an inch to ground (not carb (fire)) the have someone crank the engine over you should see spark if not then you are not getting spark.
if your not getting spark make sure your coil had a good ground you can check your coil with a volt/ohm meter like picture below ![]() |
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#21 |
69 C-10 project
Join Date: Sep 2004
Location: Eastern, NC
Posts: 184
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Re: 69 c10 starting problems
A couple of people may have hit on your problem...get a new ignition switch and plug it in to the ignition harness (you can change it out with the one in the dash later)...I believe using a wire to jump the ignition at the harness can allow the engine to crank over and still not power the points/coil hence no spark. alblogg's suggestion will overcome this if it is the problem. I'm sure someone will chime in if this is not correct.
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69 C-10 Work is complete Last edited by curbyk; 10-27-2006 at 06:48 AM. |
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#22 |
Woof?
Join Date: Jun 2005
Location: Raleigh, NC
Posts: 276
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Re: 69 c10 starting problems
Stupid question. Did you adjust your points accordingly? I've come across a couple of people over time who didn't know that they need adjustment. They threw them in their classic cars, didn't set the gap, and wondered why the cars wouldn't run.
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1968 LWB CST BB 2004 Avalanche Z71 LT3. 2003 S-10 ZR2 (hers). 1997 Astro 1992 Caprice wagon, 500k stock miles. Nursing wounds after a bad wreck. 1997 Saturn - need gas mileage from something! |
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#23 | |
Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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Re: 69 c10 starting problems
Quote:
Does that make sense?
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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#24 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
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Re: 69 c10 starting problems
Yes that may be. All I am doing is using a piece of wire and putting one end into the red and one in the purple (I think those colors) Does anyone know what other color of wire needs 12V??
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#25 |
My truck is in pieces!
Join Date: Oct 2006
Location: Abbotsford BC Canada
Posts: 143
|
Re: 69 c10 starting problems
As far as the ignition in the dash. I have no key for it, sooo how would I possibly get the ignition apart and out??
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