Quote:
Originally Posted by Rogviler
Tangentially related, but when people talk about removing the switchover valve and installing an overboost warning light, are they tapping into the signal at the valve? Anybody know which wire?
Also, isn't boost limited by the switchover valve acting on the ALDA to cut fuel when it sees too high of a boost (15psi or so I believe)? That valve seems small to do the job of venting a lot of boost, so that's what I always assumed. Perhaps I've been understanding it wrong all along.
-Rog
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For an overboost warning light, use the same ground trigger the valve uses. It's the inch diameter switch with a single wire on the intake manifold. Hmm... the other end of the wire at the valve is closer to the gauge cluster.
It doesn't have to vent boost, it just has to block the boost signal to the ALDA. The turbo can't blow anything close to 15psi or even 10psi with no boost signal to the ALDA.
Sixto
83 300SD