Bad ground question

[gn_steve]

Found the problem was the j braket that i got powder coated but now i drove the car and after doing a small burn out cylinder 2-5 dont have spark any ideas?


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[Lil Truck]

Did you inspect the ignition module mounting bracket for clean unpainted mounting points ?
Both the intake mounting points and the module mounting points.
Grind and file !

 

[gn_steve]

Yes all that was done i even ran a ground from coil braket to frame and frame to firewall


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[MAK507]

Is there a diagram showing all of the grounds? It'd be cool to have one like the spark plug wire diagram.


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[gn_steve]

Is there a diagram showing all of the grounds? It'd be cool to have one like the spark plug wire diagram.


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X2


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[Chuck Leeper]

Ground schematics are in the factory shop manual.........

 

[earlbrown]

Yes all that was done i even ran a ground from coil braket to frame and frame to firewall


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For that to help, you need to run a ground from the J-bracket (or battery) to the frame.

..and when you do it, be prepared for your fuel pressure to need to be lowered back down to spec.

 

[Lil Truck]

This may help you sort out some of the factory ground connections.
http://www.gnttype.org/techarea/electrical/grounds.html

 

[gn_steve]

Problem solved it was ignition module that fucked up thanks for your help and input guys!


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[626gn]

Common for a misfire problem to be ignition related hence my earlier post. Glad you got it worked out.

 

[No disintegrations]

But you tried the module and coil from your other GN? Was that one running good? Makes no sense.

 

[gn_steve]

Yes but last friday got it running good took her for a ride and started to crap out on me again so i troubleshoot again!


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[No disintegrations]

cool, glad it works now!