There is one LED, but two imputs to the oil pressure "computer" one for a
low pressure input and the other for a high pressure input.  The warnings
are RPM dependant and depending on the year of the van they are different
settings.

At 10:23 AM 09/05/2000 +1200, Andrew Grebneff wrote:
>For those who are fitting Subaru or other engines to vans with 85+
>instruments, the high-pressure oilpressure LED would be a good thing to
>keep working. Has anybody done this and knows what is needed to set it up?
>(I'm still unsure as to what's what with stock Vanagons, as mine hasn't had
>a VW engine since the previous owner). I understand, perhaps wrongly, that
>there are 2 LEDs; one for idle-speed oilpressure, the other (coupled with a
>buzzer) for higher rpm? The PCB mentioned by Gary McEachern on 31-10-99,
>posting 110723, is part of this high-pressure circuit?
>
>I want to set the Subaru SVX engine up so that the VW's LED/buzzer is
>functional (I lost a 36hp once when the oil level dropped, and didn't see
>the dim warning light). Will it suffice if I put a T in the Subaru oil
>sensor hole and fit the low-pressure sensor at one end of the T, the VW
>high-pressure sensor at the other end?
>
>My instrument cluster from The Bus Depot hasn't arrived yet, so I haven't
>had the chance to eyeball it.
>
>Andrew
>
>

-- David Marshall - Volkswagen Enthusiast - Quesnel, BC, Canada   --
-- 78 VW Rabbit, 80 VW Iltis, 80 VW Caddy, 84 VW Westfalia        --
-- 85 VW Cabriolet, 87 Audi 5000 Quattro, 88 VW Syncro Double Cab --
-- David's Volkswagen Home Page        http://www.volkswagen.org  --
-- Fast Forward Autobahn Sport Tuning  http://www.fastforward.ca  --
-- david@volkswagen.org (pmail) or vanagon@volkswagen.org (list)  --