use the stock harness if you have it. Why would you need to re-flash the computer, it should be a removable EPROM for a 92. Westers Garage, RAM, Hypertech, or Street and Performance can help.

If you really want to spend money on a wiring harness, then go with painless wiring.

The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me