Author Topic: 89 RC 360 engine dies and wont start.  (Read 1242 times)

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Offline rigger1112

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89 RC 360 engine dies and wont start.
« on: February 20, 2012, 09:25:31 PM »
Hey RCers. Ok so I have an 89 RC with a 360 with the EFI or TB I guess. My problem is I start the truck up in the morning to warm up for a few minutes and when I come back out the engine has died and wont refire for like 5-10 minutes.I can crank and crank and crank and nothing. It does the same thing while Im driving to, which is really annoying and kinda dangerous considering theres no where for me to pull off to the side because of the snow banks. I have a feeling its ignition related but not sure. I can hear the fuel pump kick on when I go to restart it so........Any help would be greatly appreciated. Thanx RC Nation.

Online comrade cheddar

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Re: 89 RC 360 engine dies and wont start.
« Reply #1 on: February 20, 2012, 09:32:21 PM »
Hall effects pick up in the distributor.
"The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities." - Ayn Rand

1990 W250 Club Cab 360 NP435
92 w250 360 TBI nv4500 FED Prison truck
89 R/C Black,360 Magnum, NV4500 manual, D60/HD44 Under the knife as we speak

Offline one4house

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Re: 89 RC 360 engine dies and wont start.
« Reply #2 on: February 20, 2012, 09:57:42 PM »
Ignition Control module thermal short.



This is what it looks like. I have mine unplugged because I put in a new system that does not require it.
86 Ramcharger, 360, 727, Edelbrock 1405, Edelbrock RPM Manifold, LockRite Front Locker, Non-CAD Dana 44.

Online comrade cheddar

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Re: 89 RC 360 engine dies and wont start.
« Reply #3 on: February 20, 2012, 10:02:58 PM »
Ignition Control module thermal short.



This is what it looks like. I have mine unplugged because I put in a new system that does not require it.

89 doesn't have one.
"The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities." - Ayn Rand

1990 W250 Club Cab 360 NP435
92 w250 360 TBI nv4500 FED Prison truck
89 R/C Black,360 Magnum, NV4500 manual, D60/HD44 Under the knife as we speak

Offline one4house

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Re: 89 RC 360 engine dies and wont start.
« Reply #4 on: February 20, 2012, 10:24:53 PM »
89 doesn't have one.

Then ignore my post. I was talking out my ass. :)
86 Ramcharger, 360, 727, Edelbrock 1405, Edelbrock RPM Manifold, LockRite Front Locker, Non-CAD Dana 44.

Offline ToxicDoc

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Re: 89 RC 360 engine dies and wont start.
« Reply #5 on: February 20, 2012, 10:34:10 PM »
Hall effects pick up in the distributor.

x2.  ASD is my second choice.
'85 W150 SB, 408 stroker, Magnum manifolds, Performer RPM, 670 Truck Avenger, HEI ignition, Auburn LSD 9.25 and '82 D44 (non-CAD) with 3.55/3.54,  NV4500/NP241

Offline rigger1112

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Re: 89 RC 360 engine dies and wont start.
« Reply #6 on: February 20, 2012, 11:23:41 PM »
Well I Wiki-ed what Hall effect was and thats way to in depth for me. Im assuming that you mean to start with an ignition tune-up of rotor, cap, plugs and wires. Even if that doesnt fix it at least I know they're new. I bought the truck from a buddy who rebuilt the motor about a yr ago and know he put all new in it but still. And is Hall effect normal and would that fix the problem? And what is ASD?

Offline ToxicDoc

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Re: 89 RC 360 engine dies and wont start.
« Reply #7 on: February 20, 2012, 11:34:57 PM »
Well I Wiki-ed what Hall effect was and thats way to in depth for me. Im assuming that you mean to start with an ignition tune-up of rotor, cap, plugs and wires. Even if that doesnt fix it at least I know they're new. I bought the truck from a buddy who rebuilt the motor about a yr ago and know he put all new in it but still. And is Hall effect normal and would that fix the problem? And what is ASD?

The Hall-effect sensor is a simple little disc with a wire harness that sticks out of the distributor.  When it starts failing, it'll randomly stop signalling the computer and spark control.  It costs about $25-$30 and can be changed in under 30 minutes.

The ASD is the Auto shutdown relay.  It receives the signal and relays the fuel pump to stay running.  It's located on the driver's inner fender and take about 5 minutes to change.

These two parts fail often enough and cause intermittent shut downs.  They also frequently fail to give an error code so can be hard for the Dodge novice to diagnose.
'85 W150 SB, 408 stroker, Magnum manifolds, Performer RPM, 670 Truck Avenger, HEI ignition, Auburn LSD 9.25 and '82 D44 (non-CAD) with 3.55/3.54,  NV4500/NP241

Offline rigger1112

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Re: 89 RC 360 engine dies and wont start.
« Reply #8 on: February 21, 2012, 12:51:37 AM »
Hey Toxic thanks for the info. I really appreciate it. Ill order the parts asap. Imstill gonna do the ignition tuneup while im at it though. Just for peace of mind. Thanks again. Ill let you know how it goes.

Offline ToxicDoc

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Re: 89 RC 360 engine dies and wont start.
« Reply #9 on: February 21, 2012, 12:59:19 AM »
Hey Toxic thanks for the info. I really appreciate it. Ill order the parts asap. Imstill gonna do the ignition tuneup while im at it though. Just for peace of mind. Thanks again. Ill let you know how it goes.

Mind you, this is just randomly throwing parts at an undiagnosed problem.  IMO it's a small monetary gamble if you can afford it.  There are other possibilities also.  Just that these two are common and fairly straight-forward from an effort issue.  Loose wires, break somewhere in the ignition circuit, faulty computer, etc can all do these things too.  Don't hold us to it if it doesn't fix your problem.
'85 W150 SB, 408 stroker, Magnum manifolds, Performer RPM, 670 Truck Avenger, HEI ignition, Auburn LSD 9.25 and '82 D44 (non-CAD) with 3.55/3.54,  NV4500/NP241

Offline 340SHORTY

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Re: 89 RC 360 engine dies and wont start.
« Reply #10 on: February 21, 2012, 02:52:03 AM »
no sence doing a tuneup without checking for codes. If it is the Hall Efferct sensor change it WHEN you change the cap and rotor.  Why take the cap off twice??
Your truck info goes here...

Offline rigger1112

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Re: 89 RC 360 engine dies and wont start.
« Reply #11 on: February 22, 2012, 01:43:40 AM »
I agree 100%. Im gonna try and do it all this weekend for my own assurance .Even if it doesnt fix it at least I'll know the parts r new. And at any rate at least its a starting point. I'll let you all know how it turns out. Thanx again my fellow RCers.

Offline Studie

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Re: 89 RC 360 engine dies and wont start.
« Reply #12 on: February 22, 2012, 10:26:42 PM »
this may help, i had a 85 r/c with kind of the same problem. i had a bunch of crap in the bottom on my gas tank. when i was going down the road the screen in the bottom of the tank would get clogged. i'd pull over to the side of the road have smoke and it would fire back up. maybe that could be your problem?
Studie
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Offline tank440

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Re: 89 RC 360 engine dies and wont start.
« Reply #13 on: February 23, 2012, 10:45:36 AM »
I had the EXACT same problem on my '90 RC and it was the Hall effect in the distributor.  Cost $24 and change and about 30 min.  Didn't even have to pull my distributor (even though the shop I usually go to said I would).
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