Quote:
Originally Posted by diametricalbenz
If the glow plugs are changed to fast glow then will it interfere with the indicator loop glow plug on the dashboard? Aren't they different voltages?
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I removed the loop and shorted it with a short piece of 12ga Romex copper wire (solid wire, not stranded). I'm only getting ~9V at the plugs when cycling... I'm thinking there is a big I-R drop from the battery, through the dash switch, through the shorted glow indicator, and to the glow plugs. I have a relay that I salvaged from a 300sd and will be installing this soon... it will be triggered by the output of the starter knob (which used to drive the glow plugs directly).
Power is a V^2 relation so I figure going from ~9V to ~11.5V will give me a ~60% increase in power (and heat) at the plugs...
Regardless, yeah, the indicator function goes away and without the relay it is a pain to determine if you have any open glow plugs (they aren't isolated from one another).