I looking for any information on the plug that feeds the Instrumpment cluster for the '73 -'75 . Has anyone Idenified the wires on the plug to the circuit borad? I would like to replace the stock gauges with aftermarket gauges.

Thanks Dan

any haynes or chiltons should have the wiring diagrams.

i have found realy good diagrams on www.67-72chevytrucks.com typicaly full color and high quality so enlarging is easy