Probably some earth connection. check with the negative pole (negative
earth car I presume) of the battery, not with chassis earth. May be the
earth strap engine-chassis is gone. In my mind it must be a wiring problem.
Kees Oudesluijs
Op 20-5-2017 om 15:50 schreef BJ8Healeys:
>
> Hello, Healeyphiles -
>
> This is an MG Midget, but the wiring is similar to a Healey. I cannot
> figure this one out. The situation:
>
> 1. I am reassembling the car after a total repaint.
>
> 2. During disassembly, the molded plastic connectors in each of the
> headlamp harnesses crumbled, so I replace both harnesses with new ones
> from Moss.
>
> 3. Because the headlamps were mis-matched and one had no high beams,
> I replaced both headlamps with new ones. (NOTE: the left lamp high
> beam did not work in the car with the old harness, but I just checked
> the bulb directly to the battery and both beams worked).
>
> 4. I drove the car to a location where I could adjust the headlamp
> aiming according to instructions at danielsternlighting.com. Both
> lights worked on both high and low beams.
>
> 5. When I finished the aiming procedure, I turned off the headlamp
> switch before starting the car to drive home. That's the last I have
> seen of either the high or low beams. Fortunately, it was not too
> dark to see and less than a half-mile to home down a neighborhood street.
>
> 6. I have checked the headlamp wiring end-to-end per the BMC wiring
> diagram. With the headlamp switch on, I have 13 volts at all
> locations checked: headlamp switch blue wire to turn signal switch
> (power input), turn signal switch blue/white wire (high beam circuit),
> turn signal switch blue/red wire (low beam circuit), 13 volts to both
> circuits at the headlight connector of the new harness (since neither
> light is working, I am only troubleshooting the right one so far).
>
> 7. Continuity of ground at the headlight connector.
>
> 8. The light (both high and low beams) burns brightly if I connect
> its terminals directly to the battery. I also plugged in both the old
> bulbs, for what that's worth, and neither of them worked.
>
> So, the new headlamp is good, I have 13 volts at both high and low
> beam terminals of the new harness and continuity of ground. I can
> also measure 13 volts on the lamp terminals with it plugged into the
> harness. What is the problem?
>
> Thanks for any suggestions!
>
> Steve Byers
>
> HBJ8L/36666
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC
>
> TARHEELY license plate
>
>
>
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