So, I'm getting ready to troubleshoot my intermittent blower motor and I see this strange cable. I'm not sure to were it leads. Looks like some kind of sterio or AV cable. Thoughts?

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Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!"

That is for the factory cell phone option. Most 80s models got them. It runs to the trunk.

It's a PL-259 connector which was used in the U.S. for CBs. Most American cell phones (Motorola had the biggest market share) of that era used the TNC connector.

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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech

I just picked up an 81 SD and saw that too while I was cleaning up the trunk and was going to post the same question and same pic.

Thanks!!!

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'87 924S
'81 280SEL

Sold ->

81 300SD -
93 300E w/ 3.2
85 300D-
79 300SD
82 300CD
83 300CD - CA
87 190E 5 spd
87 Porsche 924S

"..I'll take a simple "C" to "G" and feel brand new about it..."