Concept Posted September 8, 2006 Report Share Posted September 8, 2006 Anybody know where I can find the VSS wire on a 2004 Mazda 3s? The factory radio had the automatic volume adjustment with the speed of the car, so I'm assuming the stock wire harness has the VSS wire in there somewhere. Can anybody point me in the right direction? Quote Link to post Share on other sites
cntrylvr79 Posted September 9, 2006 Report Share Posted September 9, 2006 You can try white/red. If that doesn't work, it's also at the pcm on the firewall. Quote Link to post Share on other sites
Concept Posted September 9, 2006 Author Report Share Posted September 9, 2006 [quote name="cntrylvr79"]You can try white/red. If that doesn't work, it's also at the pcm on the firewall.[/quote] Thanks for the tip. What exactly is the PCM and is it on the interior side of the firewall, or in the engine compartment. Also, what side? Driver's side or passenger? thanks so much! Quote Link to post Share on other sites
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