msd 2 step ls1 control switch?
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Joined: Feb 2007
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From: thurmont maryland
Car: 1989 iroc z
Engine: 98 ls1, prcs, btr cam
Transmission: rkt56 6 speed
Axle/Gears: midwest chassis 9 inch 4.30wavetrac
msd 2 step ls1 control switch?
so the msd 2 step is a plug and play for ls1 cars using the factory clutch switch. so for us 3rd gen guys what did you do to use a clutch switch?
Joined: Aug 2011
Posts: 2,379
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From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: msd 2 step ls1 control switch?
should be same as far as clutch switch wiring depending on pedals and clutch switch used
should also look into this and does both and adds ability to safley no lift shift andits cheaper
n2mb
http://www.npcompleteperformance.com/
should also look into this and does both and adds ability to safley no lift shift andits cheaper
n2mb
http://www.npcompleteperformance.com/
Thread Starter
Junior Member
iTrader: (2)
Joined: Feb 2007
Posts: 78
Likes: 0
From: thurmont maryland
Car: 1989 iroc z
Engine: 98 ls1, prcs, btr cam
Transmission: rkt56 6 speed
Axle/Gears: midwest chassis 9 inch 4.30wavetrac
Re: msd 2 step ls1 control switch?
my issue is i dont have the factory wire from the pcm for the clutch switch. ill have to make something work. that box looks nice but i have the msd 2 step already
Thread Starter
Junior Member
iTrader: (2)
Joined: Feb 2007
Posts: 78
Likes: 0
From: thurmont maryland
Car: 1989 iroc z
Engine: 98 ls1, prcs, btr cam
Transmission: rkt56 6 speed
Axle/Gears: midwest chassis 9 inch 4.30wavetrac
Re: msd 2 step ls1 control switch?
and just tap into the msd box with it?
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
There are two trigger wires. One you connect to 12v when you want the 2-step activated, the other you connect to ground when you want the 2-step activated. You can only use one of them. I used the ground function - the switch would be open when the clutch was engaged, and connected to ground when the pedal was depressed.
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