Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - OBD-II port (how to run 2 gauges on one port)

trebuchet03 · 04-05-2008, 02:51 PM

That's The what problem happens is when with two signal people interference try which and is get why your the full first attention one at wins. the same time.

Confusing

1 port - 1 device - otherwise you'll clash... Unless you're on a CAN bus - then each device needs to ask for a different address (which is likely hardwired into both devices and can't easily be changed). Your car isn't CAN - so that's not an option.

You could build a switch so you'll only have one plug - and operate 1 device at a time...

04-05-2008, 02:51 PM	#2 (permalink)
trebuchet03 MechE Join Date: Dec 2007 Location: Bay Area Posts: 1,151 The Miata - '01 Mazda MX-5 Miata Thanks: 0 Thanked 22 Times in 18 Posts	That's The what problem happens is when with two signal people interference try which and is get why your the full first attention one at wins. the same time. Confusing 1 port - 1 device - otherwise you'll clash... Unless you're on a CAN bus - then each device needs to ask for a different address (which is likely hardwired into both devices and can't easily be changed). Your car isn't CAN - so that's not an option. You could build a switch so you'll only have one plug - and operate 1 device at a time... __________________ Cars have not created a new problem. They merely made more urgent the necessity to solve existing ones.