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08-24-2013, 06:22 AM
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#1 |
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Registered User
Join Date: May 2012
Location: Wichita, KS
Posts: 63
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1970 wont crank
350 with a MSD ignition. Started fine yesterday morning,went out after work and nothing. Iv got power, when I try to turn the truck over, radio comes on, iv got lights, little red brake light comes on on the dash, but it just won't crank. Replaced the battery, still nothing. Any one else have this problem, starter wire mabye? Havnt had a chance to go back out and play withit yet.
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08-24-2013, 07:11 AM
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#2 |
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Registered User
 
Join Date: Mar 2012
Location: Okanagan Valley, BC, Canada
Posts: 1,237
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Re: 1970 wont crank
Bang the starter with the wooden handle of a hammer a few times. Might be a dead spot.
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#teamlongbed "I refuse to go disc brakes. I actually love drum brakes. It makes for an adventure." - 50bomb 1978 Chevy shop truck - static 6/8" 1970 GMC 1500 - Accuair eLevel Resto-mod http://67-72chevytrucks.com/vboard/s...d.php?t=537497 |
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08-24-2013, 08:35 AM
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#3 | ||
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Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: 1970 wont crank
Quote:
Quote:
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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08-24-2013, 10:01 AM
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#4 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: 1970 wont crank
neutral safety switch
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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10-02-2013, 03:58 PM
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#5 |
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Registered User
Join Date: May 2012
Location: Wichita, KS
Posts: 63
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Re: 1970 wont crank
So..I had the starter rebuilt, and truck started great until yesterday. Same issue, no crank, no click, have all the power, lights, radio, dash, but won't crank. Where is the safety switch on these trucks? Is there anything else it can be, anything else to check?
Thanks fellas Posted via Mobile Device |
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10-02-2013, 04:36 PM
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#6 |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: 1970 wont crank
Put it in Park?
I would guess like cdowns, Neutral Safety Switch would be my guess too.... It is at the bottom of the steering column. Jump the 2 purple wires with a high current jumper and try to start it. I have also seen oxidized battery cable terminal ends do this too.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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10-02-2013, 08:56 PM
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#7 |
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Senior Member
Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: 1970 wont crank
i had the same problem , chased it down to the ignition switch gone bad, got the starter to jump with a screw driver, then checked the NSS with a meter nothing coming from the purple wire from the ignition switch
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks 
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10-02-2013, 10:33 PM
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#8 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: 1970 wont crank
If your truck is manual shift, there's no neutral safety switch. Only on automatics. However, these trucks have been converted from one way to another so still check to make sure there wasn't one and p.o. bypassed it.
Use the screw driver trick as mentioned to test or isolate the starter. If you don't like the sparks, buy a remote starter sw. at local auto parts for about $15.
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68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive... |
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10-03-2013, 08:14 AM
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#9 |
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Registered User
Join Date: May 2012
Location: Wichita, KS
Posts: 63
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Re: 1970 wont crank
It is a factory automatic, my guess was the ignition switch, but for how cheap they are I may just replace em both.
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