PeachParts Mercedes-Benz Forum - View Single Post - GP light, valves adjusted, still no luck, engine misses

siral3x · #12 10-29-2007, 10:39 AM

What is the procedure to test the GP relay itself?? I followed dieselgiant method by testing the pins for voltage, and there is 11.5v for 4-5 sec on each pin + at the glow plugs the voltage stays on for 4-5 sec also, no way near to 40 sec???