wiring running lights

L

lawrence

Hero member
Location
Idaho, USA
I need some help with wiring running lights on my Mirage 1200TS.  I have not opened the headlight shell yet, but Tim Parker's wiring diagram seems to show 5 wires connected to the H4 bulb.  I suppose that running lights should be connected to the circuit that drives the low beam (I assume that is always hot when the headlight is on).  How do I determine which wires to tap?  The wiring diagram is small and difficult to read, and I've not located a key to any color code, either.  I need some advice to make this the easy job it should be.
Thanks.
 
Apart from trading your Laverda in for a BMW, why not use something stronger in lieu of the pilot bulb?
It was common in the day to use 20W bulbs so as to avoid draining the battery.

Paul
 
Running lights would normally be powered by the pilot light circuit, brown wire.  Will then remain "on" independant of hi- or lo-beam.

piet
 
I have discovered the Mighty Mirage H-4 doesn't work properly.  I first thought the bulb was kaput, but then found that it works when I use the "flash-to-overtake" switch.  I then assumed the switch pod must have succumbed to corrosion.  I opened it up and all appears okay.  I flushed it with DeOxit D4, which made no difference to the H4 function when you use the low/high beam and on/off switch. The parking light, turn indicators and brake lights all are working as they should.  And, as I noted above, the H4 bulb lights up on the overtaking switch.
The wiring circuit has an Eastern Beaver headlight relay kit, but otherwise is standard as delivered from the factory.  Where should I be looking for the fault now? I'm at a loss to understand where the problem lies.
 
If you have some sort of relay "kit", you can test by running the wires from the switch directly to the globe, as they originally did. That way you will see if the problem is with relay or wiring to them or from them to the globe. I have seen some pretty creative relay wiring over the years done by people who didn't really understand just what a relay is (no criticism intended if you wired it yourself).
 
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