Kaleb
A plug can short. If you disconnect all the plugs and then measure to see
how much each draws with an ammeter you'll find the shorted one. I don't
know if the SDL has more than 80 amps for a fuse but whatever it is divide
that by 6 and each plug shuld draw less than that.
hank
----- Original Message -----
From: "Kaleb C. Striplin" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, June 12, 2005 9:34 PM
Subject: [MBZ] glow plug problem
On one of my SDL's I noticed it blew the glow plug fuse. I replaced it,
turned key on, it blew again. I checked all the glow plugs and found one
that was physically broken. I replaced it, same thing, blew fuse again.
I checked all the plugs again and the resistance on all of them was the
same. None checked bad with that test. So for the time being I installed
a heavy wire in place of the fuse. This wire does heat up while the glow
plugs are running. So whats the deal? Could a glow plug be shorted? How
would I check that? I dont see any wires that look bad. Am I correct in
assuming the problem is between the relay and the plugs, or the lines
connecting the 2? Would a shorted plug show good on a resistance test?
--
Kaleb C. Striplin/Claremore, OK
89 560SEL, 87 300SDL, 87 300SDL, 85 380SE, 85 300D, 81 300TD,
81 240D, 81 240D, 76 240D, 76 300D, 74 240D, 69 250
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