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  #1  
Old 06-24-2008, 05:26 PM
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Join Date: Sep 2006
Posts: 6
disconnect power to cruise control

My 84 300SD has been great so far but I made the mistake of trying to use the cruise control going up the Maine turnpike the other day. It started out ok but soon started hesitating a little. I switched it off without a problem. I was also using the cigarette lighter in the rear door to recharge my cell phone. I later noticed that my instrument cluster was dead, turns out it was a blown fuse. Replace the fuse and it blows as soon as the engine is started. The guages are activated while the glow plug is warming, as soon as I start it they die. The fuse is blown again.
I'm thinking it most likely related to the cruise control and would like to disconnect the power to it to see if that solves the problem. How do I disconnect it?

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  #2  
Old 06-24-2008, 05:28 PM
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1981 Mercedes-Benz 300SD
 
Join Date: Aug 2006
Location: University of Georgia
Posts: 1,082
The cruise amp in the driver side floor panel. Just pull it out. I don't have access to the pic at the moment, but its the biggest metal box down there.
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1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete
1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday...
1981 Mercedes-Benz 300SD | Rear ended, retired in garage.
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  #3  
Old 06-27-2008, 09:16 PM
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Join Date: Sep 2006
Posts: 6
which one

I took a look under the dash on the drivers side, lying on my back looking straight up, behind the knee bolster. there are 4 different size boxes lined up beside each other, none stands out as much larger than any other. Which one is it?
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  #4  
Old 06-28-2008, 03:09 PM
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Join Date: Oct 2006
Location: North Carolina
Posts: 80
Which box is it?

My Cruise Control Amps have all been aluminum in color and the connector, rectangular oblong, have attached at the bottom.

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