Caterpillar GC25K:
No Start

Hello there, I picked up a Cat GC25K that needed timing done. i did the timing and water pump and haven't had the unit running prior. the timing belt was broken, i pulled the valve cover and put it on what i believe is TDC on cyl. 1. it was difficult that the timing belt was missing and had to put the crank and cam in time separately. i believe i got it seeing as i have compression on all 4 cylinders and i had the cam timed on the only part of the loves that keeps the valves closed. my issue now is i can't seem to find the correct order of the plug wires on the distributor cap. there is no markings on the cap and i cannot source a manual for this unit. any help or ideas would be appreciated.
  • Posted 27 Mar 2024 09:18
  • Discussion started by Mac_Thompson
  • Indiana, United States
Showing items 1 - 2 of 2 results.
so i got it to fire and idle once for me. now i cant get any spark out of the plugs. i know its a 4g63 engine but it has a GM ignition coil? the wire kit i got for it doesn't seem to fit on the gm style post.
  • Posted 31 Mar 2024 06:16
  • Reply by Mac_Thompson
  • Indiana, United States
The firing order should be 1,4,3,2
When you get the #1 piston to TDC the back of the rotor will point to the #1 position on the distributor cap that will be your starting point.
If your rotor rotated counter clockwise place your wires on the cap counter clockwise or clockwise if the rotor rotates clockwise.
  • Posted 29 Mar 2024 02:52
  • Reply by Jessy_Gomez
  • Texas, United States

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