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Subject:Re: Jetta Power Supply relay questions (Vanagon conversion) PIC of wiring diagram.
From:Mike S
Date:Wed, 16 Apr 2008 16:45:06 -0400

At 03:50 PM 4/16/2008, neil N wrote...

>I guess the simple question is, as per the diagram, do 3/86 and 2
>actually connect to the relay?

No. The diagram is just showing the internal connections on the relay
panel - those terminals are probably intended for use with a different
vehicle and/or engine, and definitely with a different relay.

Based on the small section of the diagram shown, I'd guess that is the
load reduction relay. Terminal 30 is battery +. The ECU brings terminal
5/86a high to remove power from unnecessary components during cranking,
so the starter gets more power.