MSD Ignition Wiring Schematics
11-08-2012, 12:44 PM
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Car: 1991 Firebird Formula
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 4.10
MSD Ignition Wiring Schematics
I installed a MSD ignition system on my 91 305 TBI Formula and drew the four stages of schematic diagrams as I installed. Depending on what MSD components you are installing, you can choose which stage to use.
The schematics should be useful during installation and for trouble shooting, especially when you don't have to re-invent the wheel to determine how the ignition system is wired. I have noticed that some of the 3rd gen wire colors are different, so you may need to check out the wiring as you install.
The schematics should be useful during installation and for trouble shooting, especially when you don't have to re-invent the wheel to determine how the ignition system is wired. I have noticed that some of the 3rd gen wire colors are different, so you may need to check out the wiring as you install.
Last edited by 305TBI; 11-09-2012 at 10:58 AM. Reason: missed attachment
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