On the old torn up 300D I think I have some glow plug relay issues or other possible electric gremlins. The previous owners have not been gentle with this car and the wiring harnesses are cut in several places. Car runs rough, mostly I think due to no glow function. But, I'm not really complaining it was only $400.

What I want to do is go with the pencil plugs on the '78 300D and basically hook up a switched line direct from positive on battery to glow plugs. I'll re-wire them to run parallel rather than series and let them ground out on the block. If I wire it such and turn the switch for 10-20 seconds or so I should get glow in the cylinders. Right?

So tell me, why won't this or why it's a really bad idea?

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-livin' in the terminally flippant zone