Quote:
Originally Posted by jcdickson1
I have a 1976 300d. I noticed lately that the pre-glow light would not come on when I turned the ignition on. When I move the key to try to start it would flash and then come on. Now the light won't come on at all. Now I can't start the car at all. Any ideas on what the problem could be? Could the relay be bad? Glow plugs bad? I'm lost on what to do.
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I would try unplugging and plugging the relay under the dash. Hopefully your relay is still good but has mild corrosion or dirt - which can easily be cleaned. The other option could be that the relay is bad.
All this is assuming that you have checked your GP fuse. They are cheap and you should keep a few handy. Try a new fuse first.
Sometimes my GP light doesnt come on, I lightly tap the bottom of my dash, which triggers the relay. This is probably an indication that my relay might be going bad; however they are expensive and some folks have claimed that new relays are also finicky. So I m choosing to maintain mine and run it as long as possible.
Good luck