W211 AMG Discuss the W211 AMG's such as the E55 and the E63

where does this wire go!!!?

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Old Nov 29, 2019 | 08:00 PM
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where does this wire go!!!?

Hey guys, have a wire i cant figure out where it goes, its part of the throttle body wiring loom. attached a pic.

thanks

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Old Nov 30, 2019 | 12:06 PM
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Those type of connectors are usually for sensors. I can't tell from the pic but if it's a two pin connector it could be for the IAT sensor. If it's a three pin it most likely goes to the MAP sensor.
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Old Dec 2, 2019 | 09:43 AM
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all that stuff is connected. the the 2 knock sensors are plugged in, position sensor on engine for flywheel?, both throttle bodies one, Even have dropped my transmission to give me a better view, not seeing anything, At this point Without pulling the engine, i can not see where this last wire connects to. was hoping someone recognizes it, the wiring loom seems to be taped together from the factory ive circled the area. 3 wire plug , brown with purple line? , red with purple line, pink with black line.



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Old Dec 2, 2019 | 12:04 PM
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I just looked at my spare motor (06 CLS) which has the wiring harness still connected. That zipped tied bundle of wires goes to the CPS, IAT, and MAP sensors. The former two are both two wire and later is three wire. My MAP sensor connector shows a brown w/ grey strip, red w/ grey or very light purple stripe, and a pink w/ black stripe.
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Old Dec 2, 2019 | 02:35 PM
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is this the maps sensor? My buddy doesn't remember if he hooked this one back up. found this pic from another thread. ill take a peak after work. hopefully this is it lol. Thanks for looking for me btw.
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Old Dec 2, 2019 | 03:18 PM
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Yes, that's the MAP sensor.
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Old Dec 2, 2019 | 04:02 PM
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surge tank needs to come off im guessing to gain access? if so would explain why we missed it.
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Old Dec 2, 2019 | 04:15 PM
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Yes, that would be a good idea to remove the passenger surge tank since it's not difficult and fairly quick to do. I had a tough time pulling off the connector from the back and that was with the motor on a stand.
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