Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Mar 25, 2005 | 09:41 PM
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Has anyone made the cruise control work with their conversion? If so, how do you control it? Is there a little aftermarket panel or something? Is the cruise control operated by the pcm?
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Old Mar 26, 2005 | 08:32 AM
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I don't have it installed and running yet but I did buy an F-body cruise module with the cable that goes to the TB on eBay for $10. I had Speartech (sponsor>>) make a harness for it for $25. They provided all the labeled leads and the factory style plug for the module. I planned on using toggle switches on the dash. Since my car is more of a racecar looking vehicle, I figure the toggles are more appropriate.
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Old Mar 26, 2005 | 10:58 AM
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My Cutlass conversion uses an F-body cruise unit. It works just like factory. The LSx F-bodies use the same box. It wasn't hard to do. The box uses a speed input from the PCM, On/Off, Set/Coast and Resume/Accel from the cruise switchs on the turn signal lever, (even '80s levers work!) brake light switch input, and of course power and ground. The Helm manual for the year of the donor vehicle is invaluable for specific pinouts. BTW, the PCM speed signal also works great on an AutoMeter programmable electronic speedo. Just don't wire it up like AutoMeter's directions say. Ask me how I know!
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Old Mar 27, 2005 | 12:31 PM
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interesting.... Does anyone know of a remotely located cruise control box? My vette doesnt have any levers or buttons for setting the cruise control.
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Old Mar 27, 2005 | 01:00 PM
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You could fab up a little panel with the switches on it and mount it under your dash somewhere.
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Old Mar 27, 2005 | 07:29 PM
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Do you happen to have a wiring diagram of how it would be connected?
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Old Mar 28, 2005 | 04:39 AM
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How do you hook it up to the AutoMeter speedometer?
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Old Mar 28, 2005 | 10:10 AM
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The signal comes from the VSS on a newer trans, not the speedo so the cruise control is an independant system operated between the VSS, PCM and the cruise module. Speartech would be able to provide a wiring diagram along with their harness. Have you contacted them?
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Old Mar 28, 2005 | 11:01 AM
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Originally Posted by 67pete
How do you hook it up to the AutoMeter speedometer?

You've got a PM.
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