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#2
12-03-2008, 06:47 AM
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Re: SW 990D Ignition Monitor CD Ignition Tach Sender
There is a adjuster screw of some type. Only 990D senders have it. I am not sure what it is for. I will see if the pedestal tach instructions I have say anything about it.
Jason 
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#3
12-03-2008, 06:56 AM
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Re: SW 990D Ignition Monitor CD Ignition Tach Sender
OK, I found it. The screw it to tune out erratic needle movement. Also, the instructions say that the 990D can be used as a replacement for 990B. This sender will also work on points ignitions! Joe, if you had to ask about the adjuster screw that means you need one of these.
  
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#4
12-03-2008, 09:20 AM
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Re: SW 990D Ignition Monitor CD Ignition Tach Sender
[ QUOTE ]
Joe, if you had to ask about the adjuster screw that means you need one of these. [/ QUOTE ] Ha! Actually I have a couple 990D's I've never taken out of the boxes... good info, I never knew them to have a screw in the middle... If it wasn't 1:30 AM I'd go dig one out and look... here all this time I thought they were only good as cabinet decorations! Maybe I should start reading the instructions... 
__________________
Joe Barr
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#5
12-05-2008, 05:29 AM
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Re: SW 990D Ignition Monitor CD Ignition Tach Sender
I tested the sender on a points ignition system and it works well.
Jason
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