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Old 04-09-2014, 02:51 PM
Registered User
Join Date: Feb 2013
Location: Mid-Missouri
Posts: 69
Becker 754 Security Wire Grounding

Hello all,

Getting ready to re-install the Becker 754 radio (Satan's own) in my '86 560SEL.

Many years ago I had the five-pin security connector left off. A "grounding clip" was evedently spliced into the wire and cliped in somewhere. Good so far BUT WHERE?

The reason I ask is when I pulled the radio out the whole mess came out with it and I cannnot for the life of me figure out to what or where I should clip that clip to keep things nice and quiet.

Any thoughts would be most welcome.

Thanks in advance!
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Old 04-09-2014, 03:28 PM
compu_85's Avatar
Waiting for his Model 3..
Join Date: May 2008
Location: Springfield VA
Posts: 5,174
Unless I'm confused you can simply leave the ground / security connection off. If someone steals the radio while the alarm is armed the radio won't self destruct like it did originally... but at this point in time I don't think people are stealing 1980s tape decks.

1991 350SDL. 230,000 miles (new motor @ 150,000).

2013 Fiat 500E. 20,000 miles, 80 miles at a time.
2012 Passat TDI. 95,000 miles. More space, power, and fuel economy than the Benz
2004 Touareg V10 TDI. 150,000 miles. One of 450.
1999 Jetta TDI. 310,000 miles.
1992 Jetta ECOdiesel. 156,000 miles. 1 of 48. Sold.
1991 Jetta ECOdiesel. 430,000 miles. 1 of 700. Sold to VeeDubTDI, totaled in front of our house
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Old 04-09-2014, 05:32 PM
Registered User
Join Date: Feb 2013
Location: Mid-Missouri
Posts: 69
Absolutely - the 5-pin security connector has been unplugged for almost 15 years now however the fellows who did the work went through the trouble of grounding the security system to radio wire - but where and to what?

I cannot help but think that they felt that they had reason to do so.

Ah, how I miss the good-old days...
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