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#1
03-01-2011, 09:51 AM
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Need 126 TACH display schematic or resistor type/number
This is for a 83 300sd.
After repairing my clock I noticed that a few things were wrong with my tach display. I have a burned up resistor on the pcb but I cant read the color values on it. Anyone have their tach out ?? I believe there are two small tube like resistors (film resistors?) on the pcb. I should have paid more attention in electronics. Anyhow I believe its the small one close to the power input/outputs on the board.... Anyone?? Thanks in advance,
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Thomas 2003 Jetta TDi 1983 300SD 1999 Ford Contour - died - Oil pump 1998 Chevy Blazer - money pit 1997 Toyota Corolla - wrecked 1983 Honda Civic - still on the road 1980 Datsun 310 - long dead 1976 Ford Granada - my 1st car - best A/C ever "Listen, strange women lyin' in ponds distributin' swords is no basis for a system of government. Supreme executive power derives from a mandate from the masses, not from some farcical aquatic ceremony." Last edited by tdelaurier; 03-05-2011 at 02:44 PM. 
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#2
03-01-2011, 10:21 AM
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I have an extra cluster, it's all bolted together, I can't see the part you need the number for.
The FSM just says it's a solid state unit.
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83 SD 84 CD
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#3
03-03-2011, 11:27 PM
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Update. Got the pcb out. Now to test some different resistors.
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Thomas 2003 Jetta TDi 1983 300SD 1999 Ford Contour - died - Oil pump 1998 Chevy Blazer - money pit 1997 Toyota Corolla - wrecked 1983 Honda Civic - still on the road 1980 Datsun 310 - long dead 1976 Ford Granada - my 1st car - best A/C ever "Listen, strange women lyin' in ponds distributin' swords is no basis for a system of government. Supreme executive power derives from a mandate from the masses, not from some farcical aquatic ceremony."
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#4
03-04-2011, 10:41 AM
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I just checked a 87 420 tach and it is different. Same board but all componts are different values and the layout is different. Sorry.
Paul
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84 500 SEL (307,xxx miles)
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