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01-28-2018, 08:11 AM | #1 |
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Join Date: Sep 2016
Location: Melbourne Australia
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6 Volt Tach connection and built in coil
My 41 convert has a stock distributor with built in coil. Stock V8 in all respects
I recently came across a Sun 6 Volt Tach and EB-1A Transmitter for 6 Volt 8 Cyl operation. I'm not wedded to it, but it would be nice to run it. The wiring schematics I have seen show connection to the distributor side of the coil. Can this be achieved with a built in coil or do I need to run a separate coil? Apols if this has been covered before - I did a search but came up empty handed. |
01-28-2018, 10:34 AM | #2 |
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Join Date: May 2010
Location: SPEEDWAY INDIANA
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Re: 6 Volt Tach connection and built in coil
I would think you could get a tach signal off the condensor connection on coil.....
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01-28-2018, 11:25 AM | #3 |
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Location: Sweden
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Re: 6 Volt Tach connection and built in coil
Open up the box and have a look inside first...they use a 1.25v battery that are obsolete and if the relay is in bad shape you need a replacement driver box.
If you are going to use the box it usually needs new capacitors and a bit tinkering with the powersupply. |
01-28-2018, 03:27 PM | #4 |
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Location: Columbia, SC
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Re: 6 Volt Tach connection and built in coil
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01-28-2018, 04:02 PM | #5 |
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Location: Melbourne Australia.
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Re: 6 Volt Tach connection and built in coil
On your original coil there is a slotted head screw that connects the condenser centre terminal to the coil. Your tach sensor wire goes there. Not to be confused with the ignition feed wire terminal nut which is close by. You would be very lucky if an old tach like that one would operate correctly if at all. Read flatheadmurre very good post #3. Regards, Kevin.
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01-28-2018, 05:33 PM | #6 |
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Re: 6 Volt Tach connection and built in coil
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01-28-2018, 06:58 PM | #7 |
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Join Date: May 2010
Location: Everett, WA
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Re: 6 Volt Tach connection and built in coil
To see some typical problems with Sun transmitter boxes click here:
http://myplace.frontier.com/~wgmumaw...un%20Tach.html |
01-29-2018, 12:35 PM | #8 |
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
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Re: 6 Volt Tach connection and built in coil
If your sender box is beyond repair, I make a direct replacement for 6 volts positive ground. They are $175. My board can probably be made to fit into the original box. I have done this with Sun transmitter boxes, but not SW.
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01-29-2018, 04:23 PM | #9 |
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Re: 6 Volt Tach connection and built in coil
Tubman are you building the complete tach system unit (tach and sending unit)? thought I read your post earlier and that's what I thought you said, maybe not. Al
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