Recent content by FOOEYWUFFLE

After tracing the wiring for the RJ-45 on main board, only need 2 jumpers, 1 to 8 and 4 to 5. The other pins are 2 no connection, 3 tied to 6, but no connection to any circuit, 7 is connected to main board ground. Also had to set the internal clock to 2006 or got another fail. Tried it on H2...

I don't know if this has already been covered. I bought a GM TECH-2, and didn't work right. Never been taken apart, and looks like never used. Kept showing RS232 loop-back not present. Checked the MAX232, and it seemed fine. So looked over the main board, and on the back, a Lithium battery! It...