[T2] Helping Newby with 77 weekender

[Jim Denton]

Sounds like a typical ignition switch fail.

On Fri, Jul 10, 2015 at 8:53 AM, Pat Spragge/RFAN <Pat.Spragge at rfan.com>
wrote:

> Could the PO have had an issue with the ignition switch and added a
> Starter Button instead of replacing the Ign Switch? Cars in the '502 and
> earlier used to work this way; in fact there has been new interest in this
> method.
>
> Pat
>
>
>
> From:   steve blackham <homecraftproperties at yahoo.com>
> To:     "accessys at smart.net" <accessys at smart.net>, Type2
> <type2 at type2.com>,
> Date:   07/10/2015 07:56 AM
> Subject:        Re: [T2] Helping Newby with 77 weekender
> Sent by:        "type2" <type2-bounces at type2.com>
>
>
>
> I've never had a ig switch fail this way on a bus, but it is the only
> thing on the wiring diagram that could be causing this.  Unknown what the
> previous owner has done to the circuitry.  Not my Bus and if a $4 switch
> will fix it I'll vote for it.
> Come to think of it, my winter caddy, has the same problem.  when you go
> over a bump, it cuts out.  No power to coil, and thus fuel pump relay
> which is chained to it.
> How is your  problem going?  Was thinking about you last night wondering
> if you have tried starting your bus with a pigtail to the battery and coil
> while cranking?  This is a gremlin I wouldn't have found if I hadn't been
> testing the coil while cranking.  Just a thought.
> Steve
>
>
>      On Friday, July 10, 2015 7:30 AM, "accessys at smart.net"
> <accessys at smart.net> wrote:
>
>
>
> that is where I have my starter relay installed.  is there an open plug or
>
> are all the wires geing into something(Relar)?  I have had these relays
> fail, but they are for starting and might show 0volts while cranking, but
> a jumper to coil sould at least get it started.
>
> have you tried starting it directly from the rear either jumping the
> starter terminals or with a screwdriver (we've all done this at least
> once)
>
> if you run a jumper from coil to battery and it runs. it should run at
> least until you remove the wire?!
>
> doesn't sound like how the ignition switch fails.
>
> does it have the rear relay by the blower fan??  check that if it does, I
> don't have one so am not sure if it would have any affect.
>
> good luck, sounds like you are close
>
> Bob
>
>
>
>
> On Fri, 10 Jul 2015, steve blackham wrote:
>
> > Date: Fri, 10 Jul 2015 06:46:22 +0000 (UTC)
> > From: steve blackham <homecraftproperties at yahoo.com>
> > To: Type2 <type2 at type2.com>
> > Subject: [T2] Helping Newby with 77 weekender
> >
> > I was cruising around my neighborhood this evening on my new (1974)
> Suzuki TC125 when I noticed a bunch of neighbors hunched down, looking
> into a BayWindow engine hatch.  Like a moth to a flame, I couldn't help
> myself.  I had to stick my nose there also.
> > The guy just bought this bus from a guy in Washington on EBay ($10K)
> ouch! They shipped it down and it didn't run.  Ouch!One neighbor was
> screwing around inside the dizzy.  Said it had spark but wouldn't run.
> > I told them I have been working on Buses for over 40 years (bad mistake)
> and I would run home and get a volt meter, dwell meter and timing light.
> > With the volt meter I found 12+ at the coil and got the points to spark,
> but with the engine cranking got no dwell signal.
> > Popped in a known good coil.  Still no dwell signal.  Ran a jumper over
> to the battery and it started right up, for a second anyway.  Disconnected
> the jumper and had the guy crank it while I checked the voltage at 15 on
> coil.
> > 12 volts key on.  0 volts while cranking.  Ignition switch?
> > Looking at the wiring chart I don't see a different connection for
> circuit 15 from key on  to cranking.  Don't understand while that should
> make a difference.  While looking in the engine bay, I spotted something I
> don't have on my 77.  Wondering if it is a starter relay.  It is located
> about 6 " to the left of the battery on the top of the engine bay.
>  Multiple wires!
> > I don't have the starter relay on my bus and don't really know how it
> works.  If this is indeed a starter assist relay could it be causing +
> power at coil key on  and no power to coil cranking?
> > Anyway it was after midnight, so I told the guy, I'd tow the bus up to
> my garage in the morning where I could compare its inners against my 77
> and pop in my good spares.
> > Anyone had similar problems with an ignition switch or any guidance?
> > Much appreciated
> > SteveCenterlessville, Utah
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>
>
>
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