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Old 06-16-2017, 06:58 AM
v8volvo v8volvo is offline
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Join Date: Jun 2009
Location: Montana, USA
Vehicle: '86 745, '83 764
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Quote:
Originally Posted by Impolvo View Post
Lol
I'm assuming the glow plugs get power from the big square relay
What triggers this relay ?
Also where might I be getting a short circuit at the glow plugs?

My wiring is a little strange as the car was a prv
Swapped with h a d24t from a 760 with some components from d24 240 also
There are two different glow systems it could have depending on what cars those parts came from. Post some pictures of the relays and setup and we'll help you identify what's there.

Short circuit could be a shorted plug, or the glow plug bus insulation missing somewhere and touching something. The plugs draw 12+ amps each though, so if you're concerned there's a short because it blew a 30A fuse while testing it, that would be normal. Do a visual check for shorted bus or supply wire, and if OK, start checking the rest of the system out.
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