Hard-to-find ATR (Applied Technologies & Research) TPS Tester module for 1986–1987 Turbo Buick engines. This inline plug-and-play device allows precise adjustment and calibration of the Throttle Position Sensor without needing a scan tool. Ideal for setting correct idle and WOT TPS voltage for maximum drivability and performance.
Specifications: • Brand: ATR • Part Type: TPS Tester / Calibration Tool • Application: 1986–1987 Buick Grand National / GNX / Turbo T / T-Type 3.8L SFI • Power: 5VDC inline operation • Connectivity: OEM-style male & female TPS connectors • Status Indicators: LED verification lights for correct output voltages • Plug-and-play in seconds, no cutting or permanent wiring required.
⚠️ All Turbo 6 Parts are sold as-is with no returns, refunds, or exchanges. Buyer is responsible for verifying compatibility before purchase.
