Rotates fires but dies
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Elder User
Joined: Feb 2000
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From: Temperance,MI
Rotates fires but dies
I put my auto zone selinod back in my truck now all it will do is crank over and fire but it wount keep running as soon as i let off the key it stops. Its getting fuel, I know it has spark what else could it be? timing just to cold i am running 2 batteries. help
Thanks
Curtis
77_F150_4x4 aka
"The BeAsT"
Thanks
Curtis
77_F150_4x4 aka
"The BeAsT"
Elder User
Joined: Jul 2000
Posts: 571
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Rotates fires but dies
Did you forget a wire?
-Andrew
f250_64(No Email Addresses In Posts!), same for yahoo messenger
Nothing, and I mean nothing, stirs the soul, saying I'm a bad **** like lettin'em rip with a window shaking, fuel gulpin, carbon monoxide belchin, attention gettin, V-oh my LORD!-8!
-Andrew
f250_64(No Email Addresses In Posts!), same for yahoo messenger
Nothing, and I mean nothing, stirs the soul, saying I'm a bad **** like lettin'em rip with a window shaking, fuel gulpin, carbon monoxide belchin, attention gettin, V-oh my LORD!-8!
Junior User
Joined: Nov 2000
Posts: 66
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Rotates fires but dies
You have a ballast resistor in the coil circuit. When you
start the truck either the solenoid or the ignition switch
bypasses this resistor and puts 12v directly to the coil.
My 1980 bypasses the resistor in the ignition switch. This
circuit must be good in your truck, but when you let off the
key the resistor circuit must have a problem because that is
when it dies. On my diagram a brown/pink wire from the ignition
switch is the bypass wire(hot in start position) and a
red/lightgreen wire is the hot in run position that goes to
the resistor. The resistor must be buried in the harness
somewhere. I would check for voltage on the red/lightgreen
wire when the switch is in the run position. It shows this
wire going from the resistor directly out to the + on the
coil. If you don't have 12v coming out of the switch-I would
suppose it to be the switch.
start the truck either the solenoid or the ignition switch
bypasses this resistor and puts 12v directly to the coil.
My 1980 bypasses the resistor in the ignition switch. This
circuit must be good in your truck, but when you let off the
key the resistor circuit must have a problem because that is
when it dies. On my diagram a brown/pink wire from the ignition
switch is the bypass wire(hot in start position) and a
red/lightgreen wire is the hot in run position that goes to
the resistor. The resistor must be buried in the harness
somewhere. I would check for voltage on the red/lightgreen
wire when the switch is in the run position. It shows this
wire going from the resistor directly out to the + on the
coil. If you don't have 12v coming out of the switch-I would
suppose it to be the switch.
Thread Starter
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Elder User
Joined: Feb 2000
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From: Temperance,MI
Rotates fires but dies
hes something else yesterday i had a selinoid off of a old jeep on it to see if that was it i turned the key and it started right up but when i would turn the key off it would keep on running pull the coil wire it would die but then the starter motor would engage but when i put the auto zone one back on it wouldent start.
Thanks
Curtis
77_F150_4x4 aka
"The BeAsT"
Thanks
Curtis
77_F150_4x4 aka
"The BeAsT"
Posting Guru
Joined: Dec 2000
Posts: 1,686
Likes: 1
From: Racine WI
Rotates fires but dies
i had the same problem and in fact took the start wire off the solenoid ( so the starter wouldnt be engaged)and held the key switch in the start position and drove to a freinds house and we tried the ignition switch for the thought of it being the ballast resistor as previously mentioned and it turned oout oddly enough to be the duraspark module on the fenderwell i have no idea how that module did it but never had another problem like so maybe there lies your problem
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Thread Starter
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Elder User
Joined: Feb 2000
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From: Temperance,MI
Rotates fires but dies
Okay i got it to start coil wires ended up backwards i switched them got in it cranked it over couple times it started ran for a sec then died out i went to hit the key again the batteries had drained way down. any ideas?
Thanks
Curtis
77_F150_4x4 aka
"The BeAsT"
Thanks
Curtis
77_F150_4x4 aka
"The BeAsT"
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From: Sun River St. George
Rotates fires but dies
I once worked with a master mechanic, 40 years in the heavy diesel engine re build. This guy was a magician when it came to mechanical issues. Sam marked every wire, hose, spring and clip as he removed them. Used masking tape and felt pen. Now so do I. Sooo...disconnect the battery whenever your wring with electrical issues and mark the wires, all of them. Something that is absolutely crystal clear on disassembly will be a mystery a few weeks later when you reassemble.
William in Atlanta
William in Atlanta
