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Need instructions for suntune model 7602 inductive dwell tach

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Posted on Jan 02, 2017

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Bat1956
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SOURCE: Install aftermarket tachometer

I'll take a stab at this, there's better than a 50-50 chance, and you can do no damage if the first try is wrong. Red is +12 volts and Black is chassis ground. that's a given. I would try Blue to coil pack "Tach" terminal, and Green for the dashlight. If I am right about the Blue and Green, a 9-volt battery from Green to Black will light the light if it's not burned out. If the Green doesn't light it, try the Blue, but my bets on the Green. If the Blue doesn't light it either, the bulb is toast.

Posted on May 08, 2009

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1 Answer

What is the dwell angle on a 3f engine if point gap is 18 thou


dwell angle is the no of degrees rotation between points closed and points open and for example on a 4 cylinder engine ( 4 lobes =90 degrees the dwell would be around 45 degrees available
there is an adverse relationship between point gap and dwell angle
the closer the points the bigger the dwell and conversely the bigger the gap the smaller the dwell angle
in a distributor the point gap of 18 would have a large dwell angle and that affects ignition timing
in your workshop manual there will be a dwell angle specification and if you set the points at .020 " that will put you close to the dwell angle specification
from there you adjust the gap to obtain the dwell setting
after yo have the dwell set , adjust the ignition timing
there is plenty of information on dwell angle, /point gap if you type in ---dwell angle to point gap relationship--

Aug 16, 2016 | Cars & Trucks

2 Answers

Whats the ignition point gap?


Hi Mike:
You must be playing with an old engine.
Make and model, year and engine, all would help.
If you want to get technical with it, the term "dwell" is relevant.
Have a read on this link
https://www.google.ca/webhp?sourceid=chrome-instant&rlz=1C1GGGE_enCA468&ion=1&espv=2&ie=UTF-8#q=dwell%20angle%20definition
Hope this is interesting for you.

Mar 28, 2016 | Cars & Trucks

1 Answer

97 cavalier 2.2L OHV, MT ; I trying to install an aftermarket tachometer. Distributorless, two coils mounted, stacked on back side of block. No pos or neg wires to this style of ignition coils. I have...


Who manufactured the tach? Maybe they have a web site and instructions? Did you tach come with instructions?

I looked at autometer instructions for your vehicle, have to use an adapter, it ties into the power wire for your coil pack. The adapter costs about 97 bucks, not including tax.

Different tach manufacturers may have different hook-ups?

Feb 15, 2015 | 1997 Chevrolet Cavalier

1 Answer

Is there any chance way to check the camshaft position sensor on a 2001 Hyundai sonata?


The connector for cam sensor shows three wires, that should be ref voltage-pink wire, black with white tracer- ground, signal-black wire. The signal wire carries signal to pcm. To check signal, is you have a digital multimeter that has a tach--duty cycle or dwell setting, they should react to a pulse on the signal wire. The ref voltage is 12 volts, probably goes hot with key on. The black wire with white-ground use an led testlight to check ground, should be computer safe.

There are several circuit that use the same 12 volt reference.

Dec 14, 2014 | Cars & Trucks

2 Answers

Dwell angle


200 cid 6 cylinder: dwell 35 to 38 degrees, point gap .024 - .026, initial timing: 6 btdc for manual, 12 btdc for automatic. You'll need a semi-decent dwell/tach - something in the 25 to 30 buck range should do nicely. Good luck.

Apr 24, 2013 | 1965 Ford Mustang

1 Answer

The van will not start it has fuel but no spark


For spark to happen there must be a dwell timing, At the coil youll have a positive power at all times and at the negative part of the coil youll have a tach signal. What this does is ground very fast to collapse the magnetic field and creat spark. But this is something else, If you have spark at the coil and none at the spark plug wire the distributor cap will be at fault.If you have no spark at the coil then power and ignition module will be at fault, if you have power and no tach signal the ignition module will be at fault

Apr 23, 2011 | Mazda MPV Cars & Trucks

1 Answer

Timing advance and dwell specs ford probe 1994 2.5L 24v. Can 'dwell' be adjusted or is it computerised, not sure how dwell angle is or readings required in relation with timing advance/******. manual gives...


timing and dwell angle is non adjustable in these later model vehicles. the dwell is simply a reading that might be useful on a scope, while the timing advance is controlled by the systems ecu(computer) by taking readings off the knock sensor(or pre detonation sensor). this is a mazda engine. is there a problem or are you simply trying to keep up on the maintenance?

Dec 01, 2009 | 1994 Ford Probe

2 Answers

Install aftermarket tachometer


I'll take a stab at this, there's better than a 50-50 chance, and you can do no damage if the first try is wrong. Red is +12 volts and Black is chassis ground. that's a given. I would try Blue to coil pack "Tach" terminal, and Green for the dashlight. If I am right about the Blue and Green, a 9-volt battery from Green to Black will light the light if it's not burned out. If the Green doesn't light it, try the Blue, but my bets on the Green. If the Blue doesn't light it either, the bulb is toast.

May 08, 2009 | Ford Bronco Cars & Trucks

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