I've has some squirrel related wiring issues (chewed wires) which I think I have repaired (soldered back together). I'm not sure what the wires are for (they are near the battery case on 300td) My car is now not starting...It cranks fine, there is fuel in the filter, the glow plug indicator light is working, but absolutely now combustion when I crank it. I'm thinking that there might be a glow plug problem (its also been pretty cold here). I checked the resistance of all the plugs by probing the "output connector" at the glowplug relay and they all checked out ok. How can I check if my glow plugs are actually recieiving current? Can I just remove the "output connector" on the glow plug relay and see if juice is coming out of the relay. Any other ideas on why my car is suddenly being so stubborn? Thanks

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'85 300td Frybrid WVO Kit