Doesn't tap the pump wire. Compatible with DynaFact gauges. Temperature limiting control wopt Temp Limit Kit 63075. Banks Big Hoss Diesel Tuner pours on the Cummins power and delivers a host of benefits and built - in safety features. Does not require a T - tap on the pump wire. Adds up to 70 hp and 180 lb - ft with recommended airflow improvements. Fully compatible with DynaFact electronic gauges. If a pyrometer is used, tuner will automatically be enabled with a Temperature Limiting Control feature to keep exhaust gas temperatures in a safe range. Built - in torque converter clutch protection. When signal is delivered to lock the torque converter, additional fuel delivery is momentarily de - rated to eliminate clutch slippage. Incorporates a mission - critical safety - circuit design that functions as an engine and transmission watchdog. The built - in self - diagnostics ensure that the device has no negative effect on the vehicle's electronics. Competitively priced.