Scanmaster 2.1Gauge Pod New Design for Scanmaster !!Ideal for those who want to utilize a gauge style monitoring device in their "A" Pillar Pod, Console Pod or even the Center Roof T-Top Pod Gauge HolderExcellent Small Scan tool for Monitoring Knock Retard, O2's, Sensors, etcWell known in the Turbo Buick Community2-1/16" Gauge Mounting128 x 64 Pixel OLED ScreenFull Text for Data / InfoReads ALDL Streams (Regular and High-speed) and PowerLoggerBluetooth for Wireless Logging to Android (Phone/Tablet) and PC for both PowerLogger and ALDLAutomatic Internal Logging of PowerLogger and ALDL DataView and Clear Diagnostic Trouble CodesDiagnose and Tune your Engine COLOR: Black Bezel with a Black FaceOther color combos will be released soon (White & Aluminum) Version 2.1 is the newest version The Scan Master will show you: O2 - Oxygen sensor millivoltsKR - Knock RetardAF - MAF Airflow in grams/secLV8 - Load ValueBAT - Voltage to the ECMINT - IntegratorBLM - Block Learn MultiplierMPH - Miles Per HourCLT - Coolant TempATS - Air Intake TempRPM - Current Engine RPMTPS - Throttle Position in voltsIAC - Idle Air Control motor commanded positionCC - Oxygen Sensor Cross CountsMAL - Malfunction Codes Simple Hookup 12v, Ground, and one wire connects to ALDL plug under radio.Red Lead Hot WireBlack to GroundWhite to ALDL port Top Row Second in from the Left. Fits:1986 - 1987 Buick Regal - All Turbo Charged 3.8 V6 Models 1989 Pontiac Turbo Trans Am Free shipping within the Contiguous United States