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jcb 3cx 1990 Grey Cab?

I have a dashboard wiring problem.I bought a Dashboard module which has 2 plugs connecting. The original has 4 plugs connecting. is their a conversion wiring harness. or a wireing diagram to show what the colour coded wires connect to.
Dmelectrics, August 2009
The easiest solution would be to get the correct dash, but if that is not possible.
Proceed with extreme caution and have a fused link on the positive terminal of the battery.
We would ususally connect colour to colour. What I mean is if pin 4 was connected to a grey wire on the machine you took the dash module from, we would connect pin 4 to the grey wire on your machine. Locate the earth wires and connect them first then proceed one wire at a time. Double checking as you go to see what started working etc.

Mursal, January 2010
link Click here to see other fixes for JCB 3CX.