Vehicle & Technical > Discovery

Spotlight wiring woes...

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narked:
Got mine from Lucas, seperate plastic plug, then spade connectors and whatever grade cable you choose. Think all together it cost me less than the ones I bough from eBay.

narked:
Fixed! Turned out to be a bad connection on the earth from when I wired in the new H4 plugs. All now works as it should, and once again have full beam on both headlights ;)

discowoman:
I wish the guy who had my disco before me had read this thread - cut and taped wires into the headlight lead - no fuse - no relay!!!
also I have a light bar coming - has anyone got a diagram on how to wire this so its either OFF ON or ON WITH BEAM ;) thanks

Disco Matt:
That's exactly how I wired mine and narked and I wired his - start by wiring the bar itself (you need to wire them in parallel - not hard, just need to keep track of all the wiring). The bar on mine is earthed to one of the securing bolts via a ring terminal, the live feed comes into the roof and runs down the inside of the A pillar to the relay.

The relay is activated via the headlight main beam and an isolating switch. In your case you'll need a switch with three pins. The relay is connected to the centre pin, one outer one connects to the full beam wiring and the other to a fixed live. The headlight main beam feed on ours was a blue and white striped wire near the fusebox.

narked:
Eventually my setup will also be changed, as when I get round to adding a few other auxillary bits in I'll be adding my own aux fuse/relay panel to keep everything neat. Only bit I need to finish for my spots though is to sort out a switched feed from the ignition, but that's simply a case of finding a suitable wire and splicing into it. I shall then have fully functional spots that can either be off, on, or on with main beam.

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