Cable is strong and cable ends are strongly molded in to the plugs, so it can take some heavy use. Turn the ignition ON without starting the car, jump the A & B terminals, and watch the Check Engine light. I have flashed my PCM more than 20 times. If you find the ALDL connector, the 'A' & 'B' terminals (right side) are simply jumped with a bent paper clip to 'enter diagnostic mode'. Great product! Fitted my OBDI connector tightly and I have'nt had any problems with it so far. Works as you expect and is another quality made product. Much higher quality then the other cables out there. Along with the ALDU1 this product functions flawlessly!
I wish to connect my cars ALDL (Assembly Line Diagnostic Link, sort of OBD) to my pc via usb 5V TTL board (may add arduino later) I looked in the website it said connect USB TTLs Rx/Tx together and then connect to the ALDL data line. Yet another well built, quality product from Craig! I espescially like that the cable is terminated with an ALDL socket not merely bare pins like many competitors products. GMs ALDL to USB 5V TTL Protection Circuit Needed. The RHD with aircon location is slightly higher up and probably needs the glove box swung down however.Top› Catalog› GM 1985-1995› CABL1› Reviews CABL1 OBD1-Style ALDL ConnectorĮxcellent product, for those without a serial port. From the Service Notes drawing, it appears that it will be best found by opening the passenger glove box past the metal stop, exposing the wiring behind it however there is no need.
It can easily be seen under the glovebox - here's a view looking under the glovebox of a non-aircon UK car. item 6 GM OBD1 Scanner Cable & Software - USB to 12 pin ALDL direct. Similarly for those LHD with aircon.įor the standard RHD, the ALDL is in a similar housing again located in the passenger's footwell (left side). item 5 GM 12 Pin OBD1 to 16 Pin OBD2 Convertor Adapter Cable For Diagnostic Scanner 5 -GM 12 Pin OBD1 to 16 Pin OBD2 Convertor Adapter Cable For Diagnostic Scanner. This housing is under the dashboard within the passenger's side footwell (right side). It should be noted that the wiring to the ALDL connector was not the same as used by GM models the serial link was wired to pin 9 on the J1962. For the standard LHD car, the ALDL can be found plugged into a square black female plastic housing. 2001 in OBD1 markets a wholely proprietary Suzuki interface was used, originally using a 12-pin ALDL type connector and then from 1996 onwards a 16-pin J1962 (OBD2) connector.
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