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

12A FB Vacuum diagram (IN COLOR!!!)

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Old 08-01-12, 04:17 PM
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12A FB Vacuum diagram (IN COLOR!!!)

Well, I was board today, So here you go... Let me know if you spot any defects and I'll fix them, I have compared this to the Mazda FSM and it seems accurate...

Old 08-01-12, 04:19 PM
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On a side note, I never realized just how many times the the first port is tee'd off
Old 08-01-12, 04:50 PM
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So where does the yellow line off of the a/c go? I've been studying my diagram for a while now and can't figure it out.
Old 08-01-12, 04:58 PM
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The yellow line goes to the A/c Throttle opener on the side of the carb...
Old 08-01-12, 05:03 PM
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Looks pretty good to me. Nice work!
Old 08-01-12, 05:11 PM
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Originally Posted by Rx7carl
Looks pretty good to me. Nice work!


Last post here was 09-11-08, 08:17 PM.

Welcome back. You thought you would just slide on back in here unnoticed, didn't you.
Old 08-01-12, 07:52 PM
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Originally Posted by Xamnglc
The yellow line goes to the A/c Throttle opener on the side of the carb...
See, that's what the diagram in the hood and Haynes manual says. So where is the cruise control that it peaks of? I just put my rats nest back in, this is the only thing confusing me. Thanks for the help!
Old 08-01-12, 08:18 PM
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Shhhhhhhh.

Thanks Billy, it's been a while hasn't it?


Originally Posted by bwaits


Last post here was 09-11-08, 08:17 PM.

Welcome back. You thought you would just slide on back in here unnoticed, didn't you.
Old 08-01-12, 09:24 PM
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well done on the color diagram!! right click, save as!

on a side note, WELCOME BACK CARL!!!!! WE'VE MISSED YOU OLD BUDDY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Old 08-01-12, 11:16 PM
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Would it be a good idea to replace these hoses after 30 years of life?
Old 08-02-12, 03:26 AM
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Yes, Use silcone if you can find. It will last longer than the car will...
Old 08-02-12, 03:39 AM
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Originally Posted by lindahlish
See, that's what the diagram in the hood and Haynes manual says. So where is the cruise control that it peaks of? I just put my rats nest back in, this is the only thing confusing me. Thanks for the help!
look for the line that says to cruise control, Lower right, Follow the brown line...
Old 08-02-12, 07:14 PM
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Thanks man!


Originally Posted by mazdaverx713b
well done on the color diagram!! right click, save as!

on a side note, WELCOME BACK CARL!!!!! WE'VE MISSED YOU OLD BUDDY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Old 09-28-21, 04:12 PM
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The red line

What’s the red line for????
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