1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Color of wire that goes to the tach???

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Old 05-31-03, 12:56 PM
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Question Color of wire that goes to the tach???

I'm installing my haltech today and had the wire harness out of the car for about a year now so I don't know which wire on the car's harness is for the tach signal. If someone would take a look at their trailing coil and tell me color the wire is it would be great! Should be either a yellow/blue wire or a yellow/green wire.

Thanks in advance!
Old 05-31-03, 01:01 PM
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Dom
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Manual says yellow/green
Old 05-31-03, 01:09 PM
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Hell yeah! Thanks! Now back out to the garage...
Old 05-31-03, 01:11 PM
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ahh hell.. I just read a message from mike-p-28 and he thinks it's the yellow/blue wire.

What manual are you reading? Haynes? what page if so?
Old 05-31-03, 01:26 PM
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looking at page 184 in the haynes manual it looks to be a yellow/grn wire, shows how much Mike knows
Old 06-01-03, 09:10 AM
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I'm using PDFs I saved from sites. I think it came from http://iluvmyrx7.com/. So it would be the Mazda manual.

I wouldn't jerk you around though. I'm in section C page 18 and I still see 'YG from ignition coil'.

What page is Mike on?
Old 06-01-03, 12:59 PM
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He was just guessing from memory because he had to do this about a year ago also.

Again, thanks for the answer.
Old 06-02-03, 07:54 AM
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Yeah I finally got off my lazy ***, 3 days later, but it is yellow/grn (1 pin blue molex that goes to the negative side of the trailing coil)


Pretty good guess tho, considering it was last July when I put it on
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