[Spridgets] Electrical Problem

Allen Hefner lbc77mg at gmail.com
Thu Jan 16 10:55:15 MST 2014


I agree. When I first got my '77, it had loads of electrical problems.
Replacing the hazard switch fixed it.

I think it was Peter C who figured that one out for me.
 Allen Hefner
Norristown, PA

*Current:*
2006 Chebbie
2001 Toyota Cholera
*Former:*
1963 Sunbeam Alpine Series III
1967 Triumph TR4A IRS
1964 VW Type I
1967 VW Type II
1967 Rover 2000TC
1977 MG Midget


On Wed, Jan 15, 2014 at 8:20 PM, Rick Fisk <refisk at chartermi.net> wrote:

> Trevor,
>
> I'm thinking it has to be the hazard flasher switch has failed.  Six
> terminals
> on the back, two on the bottom for the turn signal power, and four on the
> top
> for the hazards.  Most cars only three of the four are used.  There should
> be
> no continuity between the four terminals when the hazard flasher switch is
> off.  There should be continuity between the bottom two terminals with the
> switch off.
>
> Sent from my keyboard
>
> On Jan 15, 2014, at 7:48 PM, Trevor Jessie <trevor.jessie at gmail.com>
> wrote:
>
> > The car has a 1275 installed.  One of the PO removed all the seat
> belt/e-brake/buzzer ... etc.  The car was working fine.  and then suddenly
> developed this problem after I tuned the carbs .... go figure.
> >
> > Anyway, I've unplugged most everything I can think of: alternator, wiper,
> rear harness, wiper switch, ignition switch, turnsignal/dimmer switch,
> heater,
> heater switch, tach, brake pressure warning switch ... basically, if I can
> see
> it, I've unplugged it.
> >
> > Of course unplugging the hazard switch stops the problem, and unplugging
> the
> hazard flasher stops the problem, and unplugging the green wire on the fuse
> box stops the problem ... but I still can't find the cause.  I'm starting
> to
> fear it is wrapped up in the harness.
> >
> >
> > On Wed, Jan 15, 2014 at 6:26 PM, Rick Fisk <refisk at chartermi.net> wrote:
> >> I'm confused Trevor.  A '77 should have a mechanical fuel pump.  You say
> when this problem manifests itself the fuel pump clicks on and off.  What
> kind
> of mods have been done to the harness to connect an electric fuel pump?
>  Is it
> the original harness?
> >>
> >> Sent from my keyboard
> >>
> >> On Jan 15, 2014, at 10:23 AM, Trevor Jessie <trevor.jessie at gmail.com>
> wrote:
> >>
> >> > So... a guy gave me a '77 Midget.  I was going to part it out, but my
> >> > basement was already full of parts so I decided to build a custom
> Midget.
> >> > All was going well until a glitch popped up the other day.
> >> >
> >> > When the key is off, there is feed back into the electrical system.
>  The
> >> > interior hazard light flashes and the fuel pump clicks on and off.  I
> >> > unplugged the rear harness and it did not solve the problem (other
> than
> >> > stopping the fuel pump).  When I flip the hazard switch they work as
> >> > normal.
> >> >
> >> > This problem is intermittent, so I want to have a list of things to
> check
> >> > when it occurs (or have a way of recreating/sorting the problem).  So,
> any
> >> > ideas?
> >> >
> >> > Cheers,
> >> > Trevor
> >> > ------------------------
> >> >
> >> > spridgets at autox.team.net
> >> >
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> ------------------------
>
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>
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