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#1
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1989 300SE Speedometer
My 1989 speedometer stopped working last week. When I bought the car a year ago it was not working either, but started during a long trip one hot summer day last year. Any help diagnosing would be appreciated. Is this cable driven or purely electronic?
Thanks MB Neo |
#2
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It's electric driven by a sensor on the nose of the differential. You'll need a wiring diagram.
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Regards Warren Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL ENTER > = (HP RPN) Not part of the in-crowd since 1952. |
#3
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Warren,
Thanks for your advise. Do you know if there is a wiring diagram available on this website? Evan |
#4
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The sensor for the speedometer is located at the very rear of the transmission on the left side. Chances are your speedo head is either shorted or the gears have broken.
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1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350 |
#5
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If it's shorted, what can I do to repair? How do I remove the cluster to check the gears?
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#6
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Diagram
Do you still need the wiring diagram?
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#7
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Insert the cluster hooks on either side of the cluster and pull.
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1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350 |
#8
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If I can get mey hands on the wiring diagram it wouldn't hurt.
As far as the cluster hooks, I think I read I can use a coat hanger as long as I modify the ends. At what location on the cluster is best to insert the hooks? Will this effect the other instruments in the cluster? They all work fine. |
#9
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Do a search here. There are plenty of diagrams of these hooks and how to make and use them.
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-tp 1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS 1988 560SEL "Gunther"- 190K passes anything except a gas station 1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition |
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