vss or speed pulse wire - Mercedes-Benz Forum
 
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#1 (permalink) Old 12-12-2009, 01:39 AM
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vss or speed pulse wire

anyone no where the vss/speed pulse wire is located, i have a 300ce and im fitting a pioneer satnav screen, i was told behind the instrument cluster, any ideas and the wire colour.

thanx bobby
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#2 (permalink) Old 12-12-2009, 02:04 AM
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The wire you're looking for is green with a yellow stripe and it runs from the back of the speedometer to a junction block under the dash. Pics below. When you pull the cluster be sure to 1) telescope the steering column outward as far as it will go and 2) unclip the speedo cable from the plastic shield under the dash at the steering column. There's probably an unused pin on the signal distribution block X53/5 so no need to cut or tap into the wire itself.
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#3 (permalink) Old 12-12-2009, 04:13 AM
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thanx mate. your a star!!!
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#4 (permalink) Old 12-12-2009, 07:46 AM
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Depending on your model and year, you may be able to get the speed signal from an input to the back of radio. The stereo system uses this input to adjust volume according to vehicle speed..... Much easier access than pulling the cluster.

J. M. van Swaay
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#5 (permalink) Old 08-08-2012, 06:37 PM
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VSS signal monitoring and injector signal

Quote:
Originally Posted by augapfel View Post
The wire you're looking for is green with a yellow stripe and it runs from the back of the speedometer to a junction block under the dash. Pics below. When you pull the cluster be sure to 1) telescope the steering column outward as far as it will go and 2) unclip the speedo cable from the plastic shield under the dash at the steering column. There's probably an unused pin on the signal distribution block X53/5 so no need to cut or tap into the wire itself.
Thank you very much for sharing this valuable information!

Do you know where to spot the injector signal?

OldBeaver
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#6 (permalink) Old 09-05-2012, 12:29 PM
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How many pulses per revolution are there? The old school Becker sat nav that I am installing min my car asks for this information. Thanks for any help given!

----
JJRodger
'99 SL 500
'93 E300 D T
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#7 (permalink) Old 05-29-2014, 03:35 AM
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Hi everybody
If anybody still looking this old forum, may help me to locate this wire in my w126 280se by PM or response to this m.
Thanks
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#8 (permalink) Old 05-29-2014, 07:30 AM
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Originally Posted by kamran49 View Post
Hi everybody
If anybody still looking this old forum, may help me to locate this wire in my w126 280se by PM or response to this m.
Thanks
While someone here might know, you would more likely find better help in the W126 sub-forum:
W126 S,SE,SEC,SEL,SD,SDL Class - Mercedes-Benz Forum


I have several wiring harnesses (E300/320 and E400/420), ETA's, side/tail/headlights and trim for sale. I can also get requested parts from local JYs. PM me.
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