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post #1 of 10 Old 06-04-2019, 06:16 PM Thread Starter
zenben01
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AC Delco Engine Analyzer / Tach

Hi. Does anyone know how to use one of these as a tach? Specifically where the two leads attach to. It only has one insulated red alligator clamp and one insulated black alligator clamp. Old tool of my dads, I did use it about 8 years ago, but only to set dwell on my 64 Cutlass. Any thoughts? Thanks.

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post #2 of 10 Old 06-04-2019, 06:40 PM
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Should be red to the coil positive terminal, black to the coil negative terminal.

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post #3 of 10 Old 06-04-2019, 10:52 PM
jeepdaddy2000
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Black to battery ground.


Red to coil neg terminal.

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post #4 of 10 Old 06-05-2019, 11:42 AM Thread Starter
zenben01
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Looks like two different ideas.
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post #5 of 10 Old 06-15-2019, 07:27 PM Thread Starter
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Quote:
Originally Posted by jeepdaddy2000 View Post
Black to battery ground.


Red to coil neg terminal.
FYI: I ran a jumper from the green ”tach test” to the red clamp, then black clamp to batt neg, worked good.
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post #6 of 10 Old 06-16-2019, 01:34 AM
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Quote:
Originally Posted by zenben01 View Post
FYI: I ran a jumper from the green ”tach test” to the red clamp, then black clamp to batt neg, worked good.
The green wire is on the negative side of the coil.



The red wire is on the positive side.

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post #7 of 10 Old 06-16-2019, 01:48 AM
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For some reason when I first saw the title, I read it as “ Art Deco Engine Analyser / Tach”


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post #8 of 10 Old 06-16-2019, 05:58 AM
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Who is Art Deco ?

.

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post #9 of 10 Old 06-16-2019, 08:32 AM
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Quote:
Originally Posted by IMMORTEN View Post
For some reason when I first saw the title, I read it as “ Art Deco Engine Analyser / Tach”


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You know what's funny, in today's world it probably qualifies as art deco......

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post #10 of 10 Old 06-16-2019, 11:01 AM Thread Starter
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It’s value has now tripled. 😉
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