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#1
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What is it, what does it do?
Re wiring my Wagon (fun task) and this wire and it's connector.. are a mystery. wondering what it is, what it's for etc, Also for wits n giggles, This is what someone did to the head end of the harness... Not my doing
1994 E320 Wagon non 4matic non ASR etc
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#2
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Appears to be a cam/crank /wheel speed sensor coaxial plug.
What is the Bosch number?
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#3
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Well it's in the battery area, near a 2 pronged connector. none of the wiring harness I've seen actually have this plug on it and it's wreaking havoc on trying to find a replacement
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#4
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Hmmm looks just like one on my '89 230TE, plugs into a socket on the wall of the engine compartment, next to the round diagnostic port?
No idea what it is but will be interested to find out! Something to do with the ABS rings a bell? ![]()
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#5
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no, It's loose, one connection goes to the ECH (engine control Harness) and the other part of it goes to the left hand side of then engine in the back towards the firewall and terminates somewhere in the lower region. not sure where.
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#6
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The connector should be in there.
I'm doing the exact same job. I'm having to replace both the engine harness, and the dash harness in a 1994 e320 wagon.
Here's a photo I took. Sorry it was nighttime, so the quality isn't very good. I'll try to take a better one tomorrow when I get home from work. I have a few connections under the dash and one under the intake I'm trying to figure out. Could you take a few photos for me? Thanks, Dean |
#7
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Should be the crank sensor connector, given its location.
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![]() 90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff |
#8
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I agree. the only plug that looks like that on my '87 is the one for the crank sensor that plugs into the EZL module on the left fender. I think a '94 would be a little different though...
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Streetside: 1987 Mercedes 300E Petrol Blue/Green 2014 Ford Mustang Grabber Blue 1999 Ford Ranger Green Dockside: 1968 Eltro 17 1985 Silverton 34C |
#9
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In the photo posted by 92-2.6 you can see that connector to the right lying next to the battery terminal connected to something.
-Jim
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97' SL600 Sport Pano - Silver 90' 300e 2.6 - Silver Donated to a family member 95' C280 - Artic White 88' 924s - Guards Red Sold 98' Durango SLT - Silver 93' 740i Tripple Black Sold 95' 900s Conv - Red 96' XJ6 - Black - For Sale 95' 325i Convertible - Montreal Blue My Project Car |
#10
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Sorry the other photo was so bad
Yes it is near the battery and connects to a wire that comes across the back of the firewall from down under the intake somewhere. The other end comes off your engine harness.
Maybe this photo is clearer. |
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