Phillip-
If the ground connections (to chassis) at the lamp units themselves, are
marginal, insufficient current will flow to heat up the element in the
flasher, but having all four connected (in parallel) would allow it to
work. Any resistance from lamp to chassis will lead to this.
Clay L.
'67 Sprite
At 09:50 PM 2/4/2002 -0800, Philip S Jones wrote:
>Hi there everybody. I'm still assembling my '71 Midget, and whilst debugging
>the electrics, came across a problem that I couldn't figure out. As usual, I
>appeal to the collective wisdom of the list. Since I don't understand the
>circuit, it's kind of hard to describe the issue, but I'd like to give it a
>try and then have you folks tell me where I have gone wrong. Here's the
>story:
>
>Turn signals don't work. All other aspects of the lighting system seem to
>work properly, including the emergency flashers. I can jumper power from the
>emergency light switch to the LGN wire off the turn signal flasher (bypassing
>the turn signal flasher, going directly to the wire that goes to the turn
>signal switch) and make the turn signals work via the emergency flasher. That
>implies that the turn signal switch is good. I suspect that the turn signal
>flasher might be bad, but can't figure out how power is supposed to get to the
>turn signal flasher, so I can't really say whether the circuit is good up to
>that point. My guess on how the flasher is supposed to get power would be via
>the emergency light switch - though that doesn't seem to make sense, either.
>I have a 1982 Haynes manual where the wiring diagram differs slightly from the
>1975 "Complete Official", and so that isn't helping, either.
>
>I don't know if these items help, but I have confirmed: all connections are
>correct per the color code and the wiring diagram (Haynes). All wires appear
>to have continuity where they should. There is only one "hot" wire going to
>the emergency flasher switch, and none of the other terminals on the emergency
>light switch have power going to them when the switch is in the "off"
>position.
>
>Please share with me the benefits of your experience, either on-list or off.
>Last weekend I did succeed in figuring out that the fuel pump needs to be
>grounded through it's chassis; and after the turn signals are working I'll
>start setting up the engine/distributor timing. Then, add fuel, and see what
>happens! TIA for your help.
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