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Old 06-04-2014, 11:10 PM
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Join Date: Nov 2013
Location: Pittsburgh PA
Posts: 343
mathilda goes from bad to worse.

so im at the gas station ...filling up tilly ..
go to restart her she dies right there.
its like she lost all power...and each time i waited for the glow plug lights to go out the power got worse..until finally the radio died..lights etc.
so i got back to the garage...
i look at the tachometer its going all over the place..plunges down then goes high...the engine did not seem to do anything different...seemed to have good power...shifted normally etc.

the car has new glowplugs
new battery
new alternator
my glo plug relay is still taking a long time for the gp light to go off
and i never actually here it click off.
will this kill my battery.
i didnt drive it very far

1982 300D Turbo
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Old 06-05-2014, 12:40 AM
t walgamuth's Avatar
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 34,741
Sounds like you need a new or good used glow plug realay. If it sticks on it'll run your battery down right quickly.
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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Old 06-05-2014, 07:06 AM
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Join Date: Dec 2005
Location: Carson City, NV
Posts: 3,786
Agreed. Fix the glow plug issue.
Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 362,xxx miles
08 Triumph Street Triple 30,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
88 Jaguar XJS V12 92,xxx miles. I should be in the garage now.
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Old 06-05-2014, 09:58 AM
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Join Date: Sep 2004
Posts: 8,730
Originally Posted by Skippy View Post
Agreed. Fix the glow plug issue.
From all indications, that just isn't the answer that the OP wants to hear.

tilly is so hot her glow plugs wont turn off.
When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl.
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Old 06-05-2014, 10:32 AM
funola's Avatar
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Join Date: May 2005
Location: NYC
Posts: 8,219
The first thing the OP needs to do is rig up a test light across the glow plugs to see at a glance what they are doing.
85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
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Old 06-05-2014, 12:08 PM
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Join Date: Nov 2013
Location: Pittsburgh PA
Posts: 343
no i understand i need a new one
i was just making sure.
tilly gets what tilly needs...

i will also check each glow plug...they are new..but i have messed them up with this debacle

thanx guys
your knowledgable input is always appreciated.

1982 300D Turbo
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