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Old 06-01-14, 12:12 AM   #1
Tommy150
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Default MSD tach adapter

i just finished my 1jz swap in my 94 sc300 5 speed and my tach dosent work. so i purchased the MSD tach adapter and i have no clue how to wire it. i tried searing on here, but couldn't find any guides. i would apreciate it if any one new the colors i would need to splice into. Thanks
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Old 06-01-14, 12:55 AM   #2
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To make the tach work, you should be able to jump resistor r109 on the gauge cluster.

There should be no need for the msd.
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Old 06-01-14, 08:22 PM   #3
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i read somewhere that jumping that resistor doesn't always make it accurate.
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Old 06-02-14, 07:53 PM   #4
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Drift motion has the wiring diagram on their site.

http://www.driftmotion.com/MSD-8920-p/dm1626.htm
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Old 06-04-14, 12:36 PM   #5
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thanks! i didn't realize they had it there
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Old 06-04-14, 01:03 PM   #6
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No problem bro, I've been reading a lot on the 1jz swap. No go out and enjoy it. Haha
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Old 06-06-14, 05:43 PM   #7
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I got it working! greatest feeling ever lol, now all i need is a full exhaust, because if have been driving on open y pipes because i have no exhaust what so ever
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