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Old 07-28-2007, 02:13 PM
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solostyle solostyle is offline
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Join Date: Jul 2007
Location: Houston, TX (soon to be Elmhurst, IL)
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Quote:
Originally Posted by toomany MBZ View Post
Try this, turn key to get GP's going, wait and listen, you'll hear a click, roughly 30 seconds, engage starter. If it starts, as you've described it does, there is a dash light problem somewhere. But it sounds like the relay etc. are working, except for the light, see above. Hope this helps.

I did this. I turned the key to pre-glow. Got out and put my ear up next to the relay box. I waited for 30 seconds and heard no clicking. Then I engaged the starter and it started smoothly. It is about 75 F in the garage, but I've tried starting without doing the pre-glow at all before, and it was much harder.

EDIT #1: Less than an hour later, I got someone else to turn the key for me while I listened at the hood. I only heard that first initial click when you turn the key to pre-glow setting.

So, no clicking, no dash light, but smooth starting.

P.S. So just because the dash light bulb turns on when the relay plug is off, doesn't mean that the bulb "works"?
Quote:
Originally Posted by toomany MBZ View Post
Bass ackward. The plug should make sure the timer works.
So if the bulb is good but doesn't work when the relay plug is on, then the timer probably isn't working... ?

EDIT #2:
Also I wanted to mention.. If one GP is bad, that may not make it hard for the engine to start, but it may be enough to make the dash light not work. That's why I thought checking each plug with a jump box might be necessary.
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1985 300d Turbo, 274k miles
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Last edited by solostyle; 07-28-2007 at 02:36 PM.
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