Lap Timer 2000 issues

Not sure if I'm in the right section, but here we go. Running Lap Timer 2000 off an old laptop, like I've done in the not so recent past. I'm working off the printer port (25 pin) but I've completely lost confidence in my colour coding.
I keep testing the ports, and I get nothing. I tick the Lap Switching Logic and Track Mate Sensor Compatibility back and forth, after each failed test. It used to work; the port is fine, but I'm not so sure of the colours anymore.
When I Google stuff, I get variations of the colour code. I've always used #25 as ground, and #10, 11, or 12 to complete the circuit.
I've looked at the HELP section. Maybe I have a DB 25 cable and I'm setting it up as TrakMate Wiring. I don't know. Tried many configurations. Not getting a single beep except when I squeezed the cable sheathing in an attempt to test more wire colours. Go figure.
Thanks for any help on this.
I keep testing the ports, and I get nothing. I tick the Lap Switching Logic and Track Mate Sensor Compatibility back and forth, after each failed test. It used to work; the port is fine, but I'm not so sure of the colours anymore.
When I Google stuff, I get variations of the colour code. I've always used #25 as ground, and #10, 11, or 12 to complete the circuit.
I've looked at the HELP section. Maybe I have a DB 25 cable and I'm setting it up as TrakMate Wiring. I don't know. Tried many configurations. Not getting a single beep except when I squeezed the cable sheathing in an attempt to test more wire colours. Go figure.
Thanks for any help on this.