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tach wire


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voltswagon 
Copper - Posts: 75
Copper spacespace
Joined: November 21, 2012
Location: Iowa, United States
Posted: December 30, 2013 at 8:01 PM / IP Logged  

When tach wire connection is needed to start.

Is it the car is it the RS itself?

I didn't have to install on my 05 Colorado with Bulldog deluxe 500.

Dont Drive and Text, but
Do Text Then Drive
kreg357 
Platinum - Posts: 7,616
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: Pennsylvania, United States
Posted: December 30, 2013 at 8:50 PM / IP Logged  

Depends.  Some remote starter units will only work in Tach Mode.  They don't have a TachLess Mode or VirtualTach Mode.  ( older Ultra Start units )

Some vehicles have "one-touch-starting", where you can briefly rotate the key to Start and then quickly back to Run and the vehicles computer will continue cranking the starter motor long enough to start the engine ( like your Colorado ).

Some R/S units also monitor the Tach signal for an engine over-rev condition and will shut a remote start down if that happens.

Soldering is fun!

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