Ok, just ran the "ignition coil test" per Scott and Bentley 28.36. I have voltage for 2 - 3 seconds when I turn ignition on.

Can I conclude that my ignition switch is OK?

Thanks,

Skip
84 Westy 1.9 L

Sent from my iPad

On Nov 3, 2011, at 4:20 PM, Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM> wrote:

> I had an ignition switch that intermittently and distinctly  did not supply
> '15' power during starter cranking.
> This was in an 87 Syncro Doka with AAZ 1.9 TD engine.
> 
> it would crank just fine, and had that syndrome where if you just let off
> the 'start' position back to 'on'...
> and catch it just right...the engine would still be turning a turn or two
> when it got that '15' juice from the 'on' position in the ignition switch,
> and it would fire up.
> 
> A new ignition switch fixed it just fine, so 100 % certain it was a bad ign
> sw.
> 
> So might check that '15' voltage is present during starter cranking.
> or try the 'catch it just right' method.
> or just , as suggested, quickly plug in another ign switch and operate it
> with a screw driver.
> 
> scott
> ----- Original Message -----
> From: "mark drillock" <mdrillock@COX.NET>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Thursday, November 03, 2011 8:23 AM
> Subject: Re: No start/ Yes spark II
> 
> 
>> Don't give up just yet. There are a few more things you can do.
>> 
>> When you have the 2 relay sockets jumpered does the fuel pump run
>> constantly as it should?
>> 
>> The relay/fuse panel pin D15 burnout problem is only on 86-91 vans.
>> Earlier vans don't have that wiring arrangement.
>> 
>> The only role the ignition switch plays in this is to provide power on a
>> black wire from the key back to the ignition coil to power the coil, and
>> from there to pin 85 of the 2 engine relay sockets as well as power the
>> ignition module and hall unit. Since you say you have spark as well as
>> power at the relay pin 85 there is little reason to suspect the ignition
>> switch. Easy enough to connect a spare just to the harness and actuate
>> it with a screwdriver just as a test, to avoid the full replacement if
>> not needed.
>> 
>> Mark
>> 
>> 
>> 
>> Skip wrote:
>>> 84 Westy 1.9L, no fuel pump running nor FI spray at start up, engine
>>> turns over nicely.
>>> .....
>>> I think that I'll check that D15 connector, as well.  I haven't replaced
>>> the ignition switch nor the Temp II sensor yet.  I would like to
>>> definitively isolate the root cause, first.
>>> 
>>> Regards,
>>> 
>>> Skip
>>> 
>>> ----- Original Message -----
>>> From: Steven Johnson<sjohnso2000@GMAIL.COM>
>>> To: vanagon@GERRY.VANAGON.COM
>>> Sent: Wed, 02 Nov 2011 19:51:46 -0000 (UTC)
>>> Subject: Re: No start/ Yes spark II
>>> 
>>> Here is the reference on Samba:
>>> 
>>> 
>>> http://www.thesamba.com/vw/forum/viewtopic.php?t=349429
>>> 
>>>