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Antennaclimber, Thanks for the response. What I did was, plugged in the cold sensor and turned the key, but didn't get any glow. Seeing no change I didn't install the new sensor. I tested the wires with ignition off black lead to black wire, red lead to yellow yielding 1.6 ohms. Left the the...

Ok, I get 1.6 ohms between yellow and black wire.

Ok, finally got the correct sensor. Threw it in the refrigerator to ensure it would be as cold as a 40 degree morning. Plugged it in and still no wait light, cranked just to be sure glow plugs didn't get hot. going to test my wires and see what I get out of them

I will make sure and let you know if it works

Ordered one this morning just in case it was bad. It will be here Tuesday.

Controller (Cucv electric legacy) looks good. No burns, smells and contact points look great.

Ok, with new solenoid and no wire detached, blue wire to screw "ground" on wiper fluid hose, ignition in the wait like position the wait light came on and cycled, glow plugs warmed and engine fired.

Already checked the card today. Very clean, no burn marks or bad smells. Looks brand new still. Still I used and eraser and cleaned the contacts.

Yes

New solenoid on. No wait light and no fire

Ok, going to get the new solenoid on now

Every morning I open the hood. Ignition off, use a pair of plyers from top post to next post down (with blue wire), I hear the solenoid click and the glow plugs warm up. I count out depending on the outside temp, 15-20 seconds normally. Truck starts every time. as for the test you asked me to...

So after the test I noticed a sticker on the relay that says 24V. I'm on my way to pick up the ST85

When I touch direct from blue wired upper side post to top post I get the thud as normal (that's how I have been warming my plugs). But blue wire post to anywhere else I don't get any sound.

Lol duh! My mi d went as crazy as the cucv's electrical system lol. Il do it now

Which blue wire?

Haven't tested it yet, just ordered a new one from Napa. Be here Tuesday.

My glow plugs haven't worked for years. Normally use the truck for camping and such so I'd pop the hood and cross the relay, do the count and truck would start. New glow plugs, card from CUCV electric. Last time I would see the light come on was while driving and hitting bumps in the road but...

Searching through forums and TMs, many posts explain the correct wiring but a few are different. Do mine look correct?

Well after creating this post a long time ago I did end up getting a copper cored radiator.... problem is since I installed it years ago I plugged the low coolant sensor. The new radiators Low coolant sensor has a larger hole than the original sensor. Spend all day running around trying to find...