Just installed the Blue Sea 1039 in my '94. I'm piggy backing off of the cigarette Lighter for now since I never use it anyway. The unit is a perfect fit in the switch location. Thanks for pointing me to it.
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I'll Definitely be doing this mod today. Ive noticed a lot of buildup in my intake manifold. When I added oil the other day my engine was missing. I wonder if it was burping it through the pcv? This seems worth whether or not that is the case.