Hx holden wiring diagramHolden l67 motor.holden buick v6 arrive racing. holden commodore ll 3800 Holden diagrams ignitionHq holden wiring diagram.Be cautious of TH700R and early 4L60E when towing. They could do it, but just make sure the transmission is OK and you have adequate cooling for it. I have listened to tales of folks frying them towing in