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Old 07-23-2008, 02:10 AM
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compress ignite compress ignite is offline
Drone aspiring to Serfdom
 
Join Date: Feb 2004
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control unit/relay

See if you have one of these.
It's described as the A/C compressor and kick down cut-off.

(The give away is the second line on the "Rear" view Picture,
"D-Clima Kickdown".)

Assuming Cornblatt is correct, lack of this control unit /relay might explain
BOTH Tachometer and No A/C!

AND as we all know,due to Mercedes using "One Part for All" the pins used
by your car may not be all the pins on the relay.

Fastlane.

Hoowee! The price may be why it's left out.
Attached Thumbnails
'84 190D, EGR Module..???-screenhunter_04-jul.-23-01.02.jpg   '84 190D, EGR Module..???-screenhunter_05-jul.-23-01.02.gif   '84 190D, EGR Module..???-screenhunter_06-jul.-23-01.13.gif  
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'84 300SD sold
124.128

Last edited by compress ignite; 07-23-2008 at 02:24 AM.
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