Speartech, about that alternator thread...
Thread Starter
TECH Apprentice
Joined: Jun 2002
Posts: 319
Likes: 0
From: NH
Speartech, about that alternator thread... John, I am using the stock 2000 harness. My Helms manual shows one discrete line output from the PCM to the terminal B on the alternator. Is this 500 ohm resistance taken care of inside the PCM before it is output to the alternator? Your advice says ignition 12 volts to resistor and then to the alternator but I assume this is for a total hybrid situation where you do not use the PCM output line (the red wire on terminal B)and just splice twelve volts to it.
If not then this is incorrectly described in the manual as an output and really should be called a "sense" line. Your clarification would be appreciated before I splice that line.
Thanks,
John
If not then this is incorrectly described in the manual as an output and really should be called a "sense" line. Your clarification would be appreciated before I splice that line.
Thanks,
John
Joined: Nov 2001
Posts: 1,707
Likes: 33
From: Anderson, Indiana
Re: Speartech, about that alternator thread... You are correct. The 98 did not have PCM control of the alternator. The "lamp" function is taken care of by the PCM on 99 and up LS1 factory harnesses (and it's taken care of in ALL years of Speartech harnesses TPI/LT1/LS1! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> )
Just a little plug there! <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Just a little plug there! <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
__________________
91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com
91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com
