Aldl Wiring Schematic

You can use either the lighter plug or aldl ground or both.
Aldl wiring schematic. Pin by pin on the 1227747 harness is listed below but you should really have a set of diagrams. On board diagnostics obd ii is required on all automobiles and light trucks in the united states from 1996 onward. Here is a diagram of how i have my cable wired up to the techedge schematic. 2 an aldl cable to interface your pc computer to the aldl obdi diagnostic port on your car.
Email 1320 electronics llc if you need help determining either of these configuration settings. Should be suitable for most modern gm cars buick cadillac chevrolet daewoo gmc holden opel vauxhall. Running around the vehicle and terminated at either end of the two wire network with resistors of 120 ohms. Obd ii is a set of specifications for monitoring and reporting on engine performance in modern automobiles.
3 things needed there are basically 3 things you need to record diagnostic data from a gm based on board diagnostic 1 obd1 system on your 1982 1995 era car. One wire goes all the way to fuyel tank for efi fuel pump grab as much as you want. Another is wiring to aldl port grab as much as you can and cut we ll get it all connected later. The blue wire is for the aldl data stream and the orange wire is where the circuit gets its power.
3 a software program running on your pc to capture the. Most gm cars produced in 1996 2003 use j1850 vpw interface. The usb aldl cable is capable of receiving data on aldl pins d e or m. As you can see both wires with white are ground and connect to the same point in the circuit.