Discussion:
weak spark

I inherited a yale model: GC080LGNGAE085 sn#: B818N02163X
Someone else tore it down, valve work, and put it back together, it would turn over but will not start. Wires have been added and spliced into the system between cng, coil and distributor. I have not touched anything yet, other than inspection and some testing of coil. I am not getting near enough coming out of coil, cant even get batt voltage at distributor. But these spliced wires are jumped straight to ignition switch. A wiring diagram of the ignition would be helpful to trace out and ensure everything is ran like it should be, or any help in setting the system back to where it should be.
  • Posted 24 Dec 2014 03:18
  • By MidgetMalone
  • joined 24 Dec'14 - 3 messages
  • Texas, United States
Showing items 1 - 4 of 4 results.
I do now. Thank You.
  • Posted 25 Dec 2014 02:04
  • By MidgetMalone
  • joined 24 Dec'14 - 3 messages
  • Texas, United States
crankeboy21@yahoo.com
Have an email to post in your profile???
  • Posted 25 Dec 2014 01:53
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States
Yes, Chevy 4.3 v6 running off cng. Tried looking that up, but any reference I find does not show what I have on the system, plugs are different and such things. I know the wiring that has been ran isn't right. It ran before it got here, ran rough, but it ran. I am not sure if the man who tore it down, did the wiring like it is or if it was like that before.
  • Posted 25 Dec 2014 00:54
  • By MidgetMalone
  • joined 24 Dec'14 - 3 messages
  • Texas, United States
What engine is in the truck......GM V6? What fuel system gas,LPG Duel fuel?? does it have the HEI ignition system?
  • Posted 24 Dec 2014 07:48
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States

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