318 no start. any ideas?

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jbrow22

Junior Member
Joined
Sep 18, 2015
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Ram Year
86/91
Engine
Chrysler 318
I swapped a 1991 W150 318 to a 1986 W250. It had the 318 as well. But now that everything is swapped ( tank with new pump, engine with harness and ECM, and tranny)
And has replaced: ECM, coil pack, spark plugs, wires, rotor and cap, battery, radiator, fuel pump and lines. The engine turns over fine. Lights And wind shield wipers work. But I have no response from the injectors in the throttle body and no spark. Not even the coil is getting power. Any ideas what caused the spark and fuel to stop at the same time?
 

82Crew

Senior Member
Joined
Oct 10, 2014
Posts
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153
Location
North of St. Louis
Ram Year
1982, 2010
Engine
318 Magnum, 6.7 Cummins
ASD relay which is also computer controlled ground. Not sure if it was in first gens, I know they had them in 2nd gens
 

codered

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Aug 18, 2014
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Location
in da ghetto, FL
Ram Year
1998 QCSB
Engine
magnum 5.9/360
ASD relay which is also computer controlled ground. Not sure if it was in first gens, I know they had them in 2nd gens
most of the components from the LA are on the magnum 318 as well. so it's a good chance his 91 318 has that ASD relay too.
 

crazzywolfie

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Apr 6, 2013
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under the truck
Ram Year
81 93
Engine
5.2
a 91 would have a ASD relay but did anyone check out the date on the original post? if he hasn't fixed it by now he would have most likely completely forgot about this place
 
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