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Subject:Re: [subaruvanagon] Re: Tracking down alternator D+ circuit.
From:Luke Bakken <luke.bakken@GMAIL.COM>
Date:Mon, 22 Mar 2010 09:54:40 -0700

Thank you to everyone who has responded, this will be an easy thing to
address with the instructions from Mark and Tom.

Luke

On Mon, Mar 22, 2010 at 9:48 AM, Tom Shiels <tom@tomshiels.com> wrote:
> Good morning Luke,
> The D+ wire is a known problem with the Subaru conversion. The old VW alternators voltage regulator had a D+ terminal that could supply current to pull in the fridge relay when the engine started and the alternator was supply power.
>
> The Subaru alternators voltage regulator can NOT supply any current on that Alt Light terminal. As a result we have to un-plug the Blue wire from the fridge relay in order to get the alternator light to go Off when the engine is running.
>
> To get your Fridge relay working again there have been many different solutions:
> - Refer to out FILES section to see some of them.
> - Some people just connect the fridge relay to the X contact of the Ignition Switch,
> - A really good solution is to install a SURE POWER battery isolator - more expensive but excellent solution especially for thos with an auxiliary battery.
>
> Hope this is not too confusing,
> Tom
> Burlington �ON
> http://www.subaruvanagon.com/
>
> --- In subaruvanagon@yahoogroups.com, Luke Bakken <luke.bakken@...> wrote:
>>
>> Hi everyone,
>>
>> I've got an '89 westy with a 2.5L subaru in it (converted by the PO).
>> This last weekend I pulled the fridge to do some maintenance on it
>> and, once I got it back in, confirmed my suspicions that there is no
>> 12V power going to it. I tested the wires going to the relay under the
>> driver's seat, and found that when the engine is running there is no
>> power going to terminal 86 on the relay via the alternator D+ circuit
>> blue wire.
>>
>> This thread on The Samba may answer my question
>> (http://www.thesamba.com/vw/forum/viewtopic.php?t=385806) - but I'm
>> wondering what is the best way to diagnose the fact that this wire
>> isn't getting power. Back in the engine compartment there is a clearly
>> labeled "Ignition +" wire which I'm assuming is what should be
>> energizing this circuit. If I find that the blue wire is connected
>> correctly on the fuse panel ... where do I go from there?
>>
>> Thanks,
>> Luke
>>
>
>
>
>
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