cool.
re
The fridge relays that use the starter as
ground have a small red/black wire attached to relay pin 85 or 86.

so for vans that have 'some other system' ..........what's that look like ?

seems to me the next sentence about a relay for aux batt. says the same
thing as the above sentence, or I didn't follow you.
scott

----- Original Message -----
From: "mark drillock" <mdrillock@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, June 09, 2009 7:15 PM
Subject: Re: Help with 12v Dometic wiring

> Yes, that is right. The starter solenoid coil is the ground for the
> fridge relay and if the red/black wire is pulled off the starter the
> fridge relay won't work even with the engine running, since it won't
> have a ground anymore.
>
> Not all years used the starter as the ground for the fridge relay so of
> course the ones that don't will still work with the red/black wire
> pulled from the starter. The fridge relays that use the starter as
> ground have a small red/black wire attached to relay pin 85 or 86.
> AFAIK, all the aux battery relays used the red/black to the starter as
> ground.
>
> Mark
>
> Scott Daniel - Turbovans wrote:
>> well that last scenario sounds nasty.
>>
>> ok, tell me this ..........
>> if the starter trigger wire fell off the solenoid ,
>> and you roll started the van ......and  the engine fired  and the alt.
>> started charging,
>> would the fridge relay then not be able to energize ?
>> ( due to lack of esoteric connection to the fridge relay from the
>> starter )
>> Scott
>>
>> ----- Original Message ----- From: "mark drillock" <mdrillock@COX.NET>
>> To: <vanagon@GERRY.VANAGON.COM>
>> Sent: Tuesday, June 09, 2009 6:36 PM
>> Subject: Re: Help with 12v Dometic wiring
>>
>>
>>> I'm right in this case. The ignition key switch does nothing to the
>>> circuit except when in the far start position it puts 12 volts on the
>>> relay "ground" while cranking. This keeps the relay from activating
>>> during starting. Some years use this "ground" for the fridge relay and
>>> some don't. This is a redundant feature since the blue wire won't
>>> trigger the relay anyway until the engine starts and the alt light
>>> goes out.
>>>...................................