P3 Gauges Universal Analog Gauge For Audi 8J TT/TTS/TTRS - VAR-UAP3A8JX

Choose Between The Following SKU's Above: UAP3A8JX+V, UAP3A8JX.

P3 V3 OBD2 and Analog Gauge products for select Audi models. Multi-Function digital vent gauge displays critical vehicle metrics like coolant temp, intake air temp, ignition timing, speed, RPM with shift light, and battery voltage - as well as peak recall in all modes.

The P3 Analog Gauge *This gauge IS NOT plug and play. Boost/vacuum hose to the engine is required and wiring needs to be completed for power, ground, and optional analog inputs.

Compatible with all TT, TTS, and TTRS models

4 Available Analog Readouts 

• Analog boost (yellow/purple/black - dedicated plug for analog boost sensor) *boost tap not included


• Analog input 1 (brown wire - can read any 0-5 volt linear output sensor)


• Analog input 2 (blue wire - can read any 0-5 volt linear output sensor)


• Battery voltage (red wire / black wire - read through power and ground wires)

• optional auto-dim feature (green wire - connect to any circuit that gets power only when the headlamps are on and enable feature in the configuration menu for the display to auto-dim when the headlamps are on)

Optional Add-Ons

• OBD2 power/ground tap harness allows you to connect to power and ground through your OBD2 port without any wire splicing (does not add OBD2 functionality)


• P3 ESVA (ethanol sensor voltage adaptor) allows your gauge to read ethanol content and fuel temp directly from any Continental/GM Ethanol sensor *Ethanol sensor not included


• LC-2 Wideband o2 Sensor Kit allows your gauge to read your vehicle's Air/Fuel Ratio. Includes everything you need to add a wideband sensor to your exhaust.


• Any Other 0-5 Volt Linear Output Sensor Can Be Read oil pressure, oil temp, coolant temp, air ride pressure, egt, etc...

OEM Vent Option

• We install the display in an OEM vent for your vehicle to make your install even easier.

Analog gauge base kit includes

• Integrated display


• Analog Box control unit


• Main harness


• Hard-wire harness


• Analog boost sensor *boost tap not included


• Approximately 5' of 5/32" O.D. boost tubing with 5/32" I.D. hose at each end


• 3 zip ties


• 2 scotchlok wire taps