Quote Originally Posted by Vombil View Post
I only mentioned earth for instruments to coil as the VH V8 wiring diagram I had seen has one (i think - unless i cant read a wiring diagram which is quite likely).

Not working... still

Washer
Horn - can hear relay clicking when horn depressed
Reverse lights
Heater fan switch- fan itself works
temp gauge - engine bay wire not receiving 12V. it jumps up and down all over the place. HJ i have is constant 12V
oil sender - not getting 12V at engine similar to temp & dummy light does not show on dash with key to accessories.
handbrake warning on dash- i sprayed contact cleaner on the switch itself



could this issue at all be due to open circuits on the WB 6cyl harness I'm using? in the engine bay there is one that looks like emissions and another near vacc thing at front of rocker and one to the carby (if it were mounted to 6cyl)??


I cannot see any other harness earthing points that I could be missing. I've been right over the Old fellas WB and its unmodified original.
Sorry about the delay, haven't been able to access computer for a few days.

Washers - From memory have a + to the motor and earths out through the washer button.

Horn - If the relay is clicking you are getting an ignition supply to the relay and the horn button is earthing the relay, so it should be getting a + to the horn and it earths out through the horn body & bolt

Heater Fan = Switch has a + to the switch and 2 (or 3) wires come out of the switch. They go to the fan resistor. Then goes through the fan resistor and comes out the resistor and goes to the fan. (Full speed is usually switched via a relay)

Temp Gauge - MAY have gauge issue. If you put the wire to earth, what does the gauge do.

Oil Sender - Does it only have the idiot light? If so earth the wire with IGNITION on and see if light works. If gauge, do same as temp gauge and let me know what happens.

Handbrake - Ignition through the globe then earths out at Handbrake switch. MAKE SURE IT'S NOT THE ONE NEAR THE MASTER CYLINDER CAUSING IT TO STAY ON.