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Dwell Meter Hookup & Calibration


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Well, it's almost time to do the fall tune up on the Centurion. It's been almost twenty years since I've used a dwell meter. Always converted the Chev's over to HEI, but it's pretty tough to find one for the Buick, at a reasonable price anyway. My question is, do the + and - leads of the tach/dwell meter attach to either side of the coil? Thanks in advance!!<p>[ 09-25-2001: Message edited by: Boat Slip ]

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Put the + lead from meter to - of coil, where the wire goes to distributer. Put - of meter to a ground source. If you have A/C, the compressor ground screw on top of the bracket will give you a good ground. I say this because I always have a hard time finding a good ground elsewhere on the motor/frontend.<P>Zach

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Forgive me if I'm crazy tonight, been staring at my Palm pilot for 4hrs. But doesn't a Tach/Dwell meter have 3 connectors on it? Red, Black and a third aligator clip wire? Red to bat, black to ground, clip to negative coil? The one I have does, a Sears Engine Analyzer, also has wires for HEI and Alternator testing.<P>Peaks my curriousity indeed.<P>-S

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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Straycat: I'll be sure to remove the coil wire when first setting the dwell. Thanks.<HR></BLOCKQUOTE><P>Just to make sure we're talking the same talk, make sure after you remove the coil wire that you ground the coil wire to a good ground on the engine. smile.gif" border="0 <P>I use a wire with an alligator clip at each end.

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Thanks again for all of the info. Worked like a charm.<P>I noticed that there appears to be a screw to adjust the needle of the dwell/tach meter. Is there an easy way to check the calibration?

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<B>I noticed that there appears to be a screw to adjust the needle of the dwell/tach meter. Is there an easy way to check the calibration?</B><P>My old Sears engine analyzer just says to rotate the screw until the needle lines up with the zero line. tongue.gif" border="0 <P>Calibration....what's that? tongue.gif" border="0

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