[DeTomaso] Electrical Issues AGAIN

[Jeff Detrich]

Garth's Banzaii Runner web site has wiring diagram for the switch.

Jeff
6559

On Tue, Feb 19, 2013 at 8:52 AM, Kirby Schrader <kirby.schrader at gmail.com>wrote:

> Richard,
>
> It certainly could be the flasher switch, but when I got my car back after
> 7 years of waiting, I had similar problems.
> I initially suspected the switch, but everything magically worked after I
> went around and cleaned up all the grounds.
>
> FWIW,
> Kirby
>
>
> On Tue, Feb 19, 2013 at 7:36 AM, Richard Greenblum <pantera at austin.rr.com
> >wrote:
>
> > All,
> >
> > I'm the guy that got his car back from a restoration shop after 5 years.
> > All they did was paint, not a complete restoration.
> >
> > When I took it in, everything except for the wipers worked.  When I got
> it
> > back, virtually nothing but one or two lightbulbs lit up.  Found the
> > positive battery terminal slipped on, but no nut.  The negative was
> upside
> > down (small end to small end) and no bolt.  I can't believe it started
> and
> > ran fine.  Once I connected the battery properly, it all worked.
> >
> > Last week, the blinkers and horn stopped working.  Couldn't hear the
> > relays,
> > but as you know, it's pretty noisy with the engine running (full Euro GTS
> > exhaust system).  Then, the water temp gauge, after climbing normally to
> > around 190, would shoot to 240 then creep to 260, then off the scale.
> > Engine was fine, not overheating at all.  Then, the lights in the gauges
> > quit.  The lights in the wiper and hazard switches, and the green lights
> in
> > the bottom of the dash that shine down on the center section, work.
> >
> > Sunday, the horn started working, and without the engine running, I could
> > hear the blinker relay going, but no blinker lights (the green indicator
> or
> > outside on the car).  So, I tried the hazard lights.  Same thing, could
> > hear
> > the relay, but no indicator or lights outside or in the .  Then, the
> hazard
> > switch would stay in for a couple of seconds, then pop out and I'd hear
> the
> > relay again, but no outside lights.  After about the fourth time I pushed
> > the switch in, it stayed.
> >
> > I checked the ground under the dash where a few of them come together
> above
> > the driver's knee.  It was solid, or so it appeared.  A few years ago, I
> > added a wire that runs from there to a steering column bolt, then from
> > there
> > to another bolt under the dash by the center section that I grounded the
> > headlight relays to.
> >
> > I remember something about hazard switches causing a problem.  If I
> > remember
> > correctly, the hazard switch simply activates all of the blinkers at the
> > same time, and those are what have failed.  Of course, the gauge lights
> > don't work eitherŠ
> >
> > Got any ideas?  I've already hit SOBill with this hoping he'd have one of
> > his usual epiphanies of brilliance.
> >
> > Richard
> > Austin, TX
> > #7080
> >
> >
> >
> >
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