Introduction. I basically followed this post http://www.c5-corvette.com/c5_alarm.htm The only thing I did different was placing the shock sensor against the drive tunnel – still effective but much easier that way. Materials. You�ll need a shock sensor. I�ve used a CodeAlram IR-S shock sensor, which I got from a local CodeAlarm dealer for $30. The sensor […]

Background The \’85-\’89 L98 uses an Electronic Spark Control (ECS) module to listen to the Knock Sensor and report ping to the ECM (on \’90-\’96 Corvette motors the ECM listenes directly to the Knock Sensor). When the ECM detects knock counts it pulls timing till no knock is reported and then gradually increases timing to […]

1. Pulling on the steering wheel clockwise with the key in the off position. 2. And then while still pulling in the same direction (clockwise), clicked the key to ON. Notes: I got this tip from \”cjones\”. Is worked like a charm on my car. Cheers -Tuan

The following procedure will give you a new code that you can use instead of your personal code. Using this new code, you can �unlock� your radio and then �re-lock� it with a new code if you wish. Prerequisites: The radio must be in LOC mode NOT in INOP mode. Let me explain. If you […]