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-   -   Haltech no comm with puter (https://www.rx7club.com/haltech-forum-62/no-comm-puter-488242/)

idsigloo Dec 5, 2005 08:40 AM

no comm with puter
 
E6X Ok, I checked all wiring to and from the ems in the car, it has power. 13.5v to be exact on pins 25 and 7 on the ems harness plug. Anyhow, I hook up to my desktop computer on wheels and it says no comm. I don't understand why because I have other devices I use on the computer with the serial port. What can I check in the computer to get this haltech to connect. Also, the 2 three plug connectors coming out of the harness plug I checked also and are receiving 4.97v. So doesn't that mean the haltech is working?

idsigloo Dec 5, 2005 08:49 AM

I am using an extention cable to the computer, could this be causing a problem? There is probably about 18ft of serial cable.

RETed Dec 5, 2005 09:47 AM

COMM port setting in Haltech proggie consistent with the physical port location (usually COMM1)?


-Ted

idsigloo Dec 5, 2005 09:50 AM

Ya, it is... althought my the shop pc isn't worth shit... I'm prolly gonna hire Chris Ludwig to take a look at it and if he can get it to work tune the ems while he's there.

Claudio RX-7 Dec 5, 2005 12:18 PM

The serial cable length doesnt sound bad, ive used x5 6' cables onces before, and it worked fine.

Unless the cable is crossed.


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