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#1
04-01-2008, 07:10 PM
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4 speed swap, simplified wiring?
i was mounting the four speed shifter and I noticed the plug on the switch on the shifter is identical to the plug that the auto trans wires from the neutral safetfy/reverse switch on the trans. this is where the auto trans plugs into the main harness on the upper drivers side of the hump inside the car. so I plugged the manual switch in there and it starts right up and the reverse light works. is there something I am missing here? I noticed most of the swaps had DYI harnesses but this seems like the factory intent.
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 1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) 
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#2
04-01-2008, 08:13 PM
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I used all factory stuff when I did the swap on my '83. Nothing was ghetto fabbed.
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2001 Dodge Ram 2500 Cummins Turbo Diesel - 4x4, auto, 3.54 gears, long bed ------------------------------------- '92 300D 2.5 Turbodiesel - sold '83 300D Turbodiesel - 4 speed manual/2.88 diff - sold '87 300D Turbodiesel - sold '82 300D Turbodiesel - sold
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#3
04-01-2008, 08:31 PM
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Quote:
does this also incorporate a clutch saftey or do you just have to be careful? can a clutch safety be made to work? seems like you could wire in to the neutral saftey portion. is there a place for a switch on the clutch pedal?
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails)
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#4
04-01-2008, 08:36 PM
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AFAIK there was no factory safety clutch switch.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#5
04-01-2008, 08:46 PM
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sorry I should have looked before I asked. when i checked my pedal assembly, there is a switch on the clutch pedal. Unfortunately mine is smashed, anyone know if there is a pigtail harness for this?
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) Last edited by lutzTD; 11-23-2011 at 08:37 PM.
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#6
04-01-2008, 09:02 PM
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#7
04-01-2008, 09:05 PM
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Oh OK, so now the question is, should I hook it to the cruise circuit or use it as a safety to the nuetral safety circuit. if I dont hook it to the cruise and I push in the clutch with the cruise engaged, will it over rev the engine?
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails)
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#8
04-01-2008, 09:18 PM
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Quote:
I would compare the wiring diagrams for an 82-83 240D with the auto and manual to see what MB did between the two. You may be able to get a cruise module and harness from a 240D and swap yours out. Quote:
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#9
04-01-2008, 10:00 PM
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Quote:
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#10
04-02-2008, 03:22 AM
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Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.
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#11
04-02-2008, 10:20 AM
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How would I know? Mine barely worked for a few minutes at 75mph two years ago before I stripped out everything CC related.
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#12
04-02-2008, 10:33 AM
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As a temporary fix, I used a push button switch under the dash to complete the starting circuit. I may leave it that way, as it serves two functions: theft deterent and it reminds my wife (and me) to push the clutch in before starting. I always park in gear as our driveway is on an incline. I thought about trying to get the CC figured out, but it only works marginally anyway.
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For Sale: 1982 MB 300TD 1995 Chevrolet Suburban 6.5TD Sold: 1980 IH Scout Traveler- Nissan SD33T Diesel
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#13
04-02-2008, 11:22 AM
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Its surprising that the manual 240D does not have a clutch interlock. Maybe I will wire a relay to a magnet switch and get some theft prevention at the same time as a clutch safety
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails)
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#14
04-02-2008, 11:29 AM
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#15
04-02-2008, 11:31 AM
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yeah, Im just afraid that I will forget and unleash all of this power too quickly to react........
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails)
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Linear Mode
