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#1
01-31-2016, 07:31 PM
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1973 450SL RPM gauge isnt working
Hi Guys
Need your help The RPM gauge isnt working whats the common problems / things to check? gear? cable? THANKS
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1984 928S 1991 BMW 850 6 speed 1991 BMW 850 Automatic 1986 Mercedes 560 SEC 1988 BMW E30 Convertible manual 
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#4
02-15-2016, 05:23 PM
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You may have a dead capacitor in the tachometer gauge itself. I've worked on quite a few units of that age and most of them were in fact dead. It would not surprise me if yours was like that too.
I'd be happy to take a look at your gauge if you'd like.
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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#6
02-15-2016, 08:37 PM
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It is called a tach.
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#7
02-15-2016, 09:00 PM
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8bender you need to PM JamesDean and he will respond with how to go about it and the cost of the repairs. The cluster on my '87 300d is going to him this week for a repair of the odometer and needle refresh. Not sure how you pull the cluster on 450sl, but there's a tutorial on Pelican for all 124 models. There maybe one for yours. I also spent the $20 to buy the MB cluster puller tool....two glorified coat hangers.....but they worked great. The cluster pulled right out with alittle fiddling.
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'89 260e (212K Mi.), '92 400e (208K Mi.), '92 400e (not a misprint) (146K Mi.), '95 C220, '81 240D--Sold
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