Dash lights
the three pin connects to right hand circuit board and there is a round connector that plugs in on the left circuit board. Two separate systems. The speedo lighting comes from the 3 pin connector. You will not have a full 12 volts if the dash light dimmer on the headlight switch is turned down. It all grounds through the dash frame. Pic is of board behind amp, oil,fuel and temp gauges.
the three pin connects to right hand circuit board and there is a round connector that plugs in on the left circuit board. Two separate systems. The speedo lighting comes from the 3 pin connector. You will not have a full 12 volts if the dash light dimmer on the headlight switch is turned down. It all grounds through the dash frame. Pic is of board behind amp, oil,fuel and temp gauges.