On Oct 7, 2007, at 2:11 PM, Barak wrote:
> Thanks to everyone for their help on the carburetor question.
>
> As a bit of back story, this is a car I bought several years ago
> and began
> work on, then had to put away for a long time due to life
> circumstances.
> I've recently been able to get it out and dig into it again, so you'll
> probably be hearing from me a bit more frequently now.
>
> Now, on to the electrical issues.
>
> 1)Stop lamps don't come on when the brake is depressed.
>
> I tried to trace the wiring and ran into a snag... I can't seem to
> find the
> stoplamp switch! I find what I think is the pressure test lamp
> switch (with
> two black/white wires attached) sitting on top of the hydraulic
> union. In
> the same vicinity are two wires not connected to anything, one
> green with
> one of the female bullet receptacles on it and the other green/
> purple with a
> bullet connector on it. According to my schematic, those are the
> two wires
> that should go into the stoplamp switch. I'm sure it doesn't help
> that I
> don't know what this switch should look like either. :(
On a '70, shouldn't the brake light switch be on the black cover up in
front of the master cylinders?
The pressure switch is on the inner wing in a 5 way connector.
> 2) Right hand turn signal doesn't flash, it is steady on. The left
> hand
> side flashes as it should. When the hazards are turned on, both
> sides flash
> as they should.
>
> I don't think this is a grounding issue, as when I use a test probe
> to check
> the green/white wire the current remains steady. I would think that
> grounding it that way would cause it to flash if it were a ground
> issue
> (please correct me if this is an incorrect assumption).
>
> I also don't think it is a flasher issue since the left side works
> fine.
>
> I've bought matching bulbs and replaced them all around, so there
> isn't a
> mismatch in them.
>
> Is it possible for the stalk switch to have gone bad in some way as
> to cause
> this? Although a connection *is* being made since it does light up.
>
> Any help with the above would be much appreciated! Especially the
> stop
> lights... I don't want to drive it until that is fixed. I can deal
> with the
> turn signal issue for a while if I have to.
You just have to trace each section to find it. I don't think it
would be the
stalk, all it does is get power through the circuit, and the flasher
unit does the
rest.
>
> Thanks!
> Chris
> ~1970 MGB
>
Paul Root
ptrmgb@gmail.com
77 MGB
99 OBS
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