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Dragsinger · 05-22-2016, 04:38 PM

Dale,

the bulbs you intend to turn on, do those bulbs have two wires [bat & ground?] Are the wires accessible?

If so, the MSD three step can apply either bat + or ground to one side of the bulb. The other bulb wire will either be connected to bat + or ground as needed.

You can experiment with the setup by using a 3000 chip to test each function.

05-22-2016, 04:38 PM	#531
Dragsinger VIP Member Join Date: Jul 2008 Location: Liberty City [East Texas] Posts: 1,760 Likes: 5 Liked 99 Times in 60 Posts	Re: Woodfin's SS GT/TB construction series Dale, the bulbs you intend to turn on, do those bulbs have two wires [bat & ground?] Are the wires accessible? If so, the MSD three step can apply either bat + or ground to one side of the bulb. The other bulb wire will either be connected to bat + or ground as needed. You can experiment with the setup by using a 3000 chip to test each function. __________________ Larry Woodfin 471W