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#1
07-22-2010, 07:48 PM
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replaced battery-now guage cluster is acting out
1990 300sl
replaced the battery and when i started the car the seatbelt light, battery light, low fuel light all blink, and the whole cluster is dead...no tach, no guages, nothing! what the heck happened and how do i fix it?? thanks gregg
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0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa. 
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#2
07-22-2010, 09:27 PM
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Overload Protection Relay,check the fuse(s)
You may still have the 5 or 7 pin version if it's original.(One fuse in the top)
The New 9 pin (Two 10 amp Fuses in the top) fits all models. Usually in the space in back of the Battery Compartment. AND,AND start checking for "loose" grounds displaced in the Battery R+R.
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'84 300SD sold 124.128 Last edited by compress ignite; 07-22-2010 at 09:41 PM.
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#3
07-22-2010, 10:21 PM
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that sounded hopeful but the fuse in the relay is ok and the only ground is the negative terminal
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0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa.
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#4
07-22-2010, 11:30 PM
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Check for corrosion on the battery cable when you replaced the battery? I know batteries go bad, but a corroded pos cable will act like a bad battery.
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Closing the store Benzbonz.biz on your smart phone or tablet.
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#5
07-22-2010, 11:36 PM
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usually, when the cluster dies suddenly, that means that fuse 5 (or 6...can't remember) has burnt out....check your fuses in the fuse box...easy 2 seconds fix !!! i've seen than happen on 2 cars including mine....
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1993 300E, 2.8 M104 .....
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#6
07-23-2010, 12:38 AM
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The early digital clusters are not exactly robust. What you describe is what we commonly call the "death blinks" around the shop. If no problems turn up with the fuses you are likely in for a new cluster. Make sure you are sitting down when you get the quote on a replacement.
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 90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff
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#7
07-23-2010, 11:31 AM
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i've read where they can possibly be fixed....any info on that?
thanks gregg Quote:
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0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa.
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#8
07-23-2010, 12:54 PM
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i've got a spare one with 188k on it
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1989 300ce 129k ( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone) 1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus 1994 e320 Cabriolet 108k  1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it [/SIGPIC]
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