Think i need a new ignition

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rugby1725
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Think i need a new ignition

Post by rugby1725 »

So after a couple of times of the truck continuing to run for a couple seconds after I turned the key off, now it continues to run until i kill it by dropping the clutch. The radio also stays on, so I'm assuming there's a bad connection in the run position inside the ignition. Just looking to see if anyone had any other thoughts before I ordered a new one.

Thanks
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sargentrs
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Re: Think i need a new ignition

Post by sargentrs »

That's what I'd do. Cheap and easy swap. Be gentle removing the plug. They tend to get brittle with heat and age.
Randy
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
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Randle
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Re: Think i need a new ignition

Post by Randle »

The timing, or the carburetor not closing all the way can cause it to diesel when you shut it off.
rugby1725
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Re: Think i need a new ignition

Post by rugby1725 »

That's what I thought at first when it only ran for a few seconds. But now it will run until I kill it and with the radio staying on desieling doesn't seem likely. Thanks for your help, guess I'll order an ignition.
bumpandsweptline
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Re: Think i need a new ignition

Post by bumpandsweptline »

I had same issue . But I could unplug switch and still stay running !!!!! I found if I bumped starter then turned key off truck would die ... Replaced starter relay so far it appears to fix the issue .
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Craigerf100
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Re: Think i need a new ignition

Post by Craigerf100 »

Ignition switch.
I had the same problem on a fairlane and ignition switches at time were not available. So i spliced in a generic horn button between the hot 'starter' wire off the switch. And turned it into a push start 8)
With the key in Of course.
Problem solved.
Last edited by Craigerf100 on Thu Feb 13, 2014 11:56 pm, edited 1 time in total.
1964 F-100 Custom Cab Short Bed
1968 F-100 Short Bed
1967 Fairlane 500 Convertable
1967 Fairlane GT/A 289ci SOLD
1950 F-1 Original 239ci Flat Head V8 SOLD
1995 f-150 4x4 Swb 4.9L 5-speed FORSALE

My Build: :fr: http://www.fordification.com/forum/view ... &sk=t&sd=a
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Craigerf100
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Re: Think i need a new ignition

Post by Craigerf100 »

If they're cheap buy a new one.
1964 F-100 Custom Cab Short Bed
1968 F-100 Short Bed
1967 Fairlane 500 Convertable
1967 Fairlane GT/A 289ci SOLD
1950 F-1 Original 239ci Flat Head V8 SOLD
1995 f-150 4x4 Swb 4.9L 5-speed FORSALE

My Build: :fr: http://www.fordification.com/forum/view ... &sk=t&sd=a
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