[T2] Helping Newby with 77 weekender

[accessys at smart.net]

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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