Pontiac Firebird Computer Replace/Remove

My Haynes Manual Had Me Check The Ignition Module Connector.the Car Had Codes Of 16,36 ,42.i Checked The B Terminal With A Voltmeter...

I Recently Replaced The Distributor And Water Pump.that Was After I Took It To A Shop And Was Charged $558.00 To Have The Plug Wires Changed...

Electrical Problem 1990 Pontiac Firebird V8 Two Wheel Drive Automatic What Would Cause An Ignition Module To Go Out In A Short Period...

Yes Could Someone Help Was Driving And Car Started Bucking Wanted To Stall Was Ok When Taking Off But Wanted To Stall When Came To Stop Idle...