The white wire if I recall is to be grounded or connected to a headlight power connection. Innovate recommends against using the radio dimmer wire for example as the way the dimmer works off of the dash lighting dial does not play nice with the MTX-L internal electronics. Summary: Red - splice. Black - splice. Yellow - replace. The good news is for around $200.00 you can wire up Innovate Motorsports' new MTX-L PLUS wideband oxygen sensor and gauge kit, instantly putting the necessary information at your fingertips. While Innovate's best selling wideband, the MTX-L just got better! The MTX-L PLUS is seven times faster and features our latest version of Advanced Sensor Control. Learn more about it in this quick overview video. The new Innovate Motorsports Digital MTX Series Air/Fuel Ratio Gauge utilizes the only 100% digital Wideband air/fuel ratio technology on the market! The award-winning patented DirectDigital™ technology we use is faster and more accurate than common "UEGO" gauges and is now more affordable! In addition, the gauge featu The yellow wire and brown wire are analog 1 and 2. Now with. The MTX-L PLUS is an integrated gauge and controller for wideband AFR Wiring. The MTX-L PLUS has 4 stripped wire ends: 1. Connect the RED wire to an. Innovate motorsports mtx l plus digital afr gauge install Bosch sensor cable wiring Photo 16/34 | Harris connects the Bosch sensor MTX-L+ Plus Digital Wideband Air/Fuel Ratio Gauge by Innovative Motorsports (3918) The New MTX-L PLUS wideband gauge features our patented DirectDigital™ technology and all-new Advanced Sensor Control which receives feedback from the sensor more frequently and optimizes heater control. The combination of these technolo Shop for Innovate Mtx L at Walmart.com. Save money. Live better. We have 2 Innovate Motorsports MTX-L available for $197.20 with free shipping to the Continental US 48 States. No Fitment Information Available: IN STOCK. 3918. Innovate MTX-L PLUS Digital Air/Fuel Ratio Gauge Kit 8ft w/O2 Sensor. $197.20. Details. IN STOCK. 3924. Innovate MTX-L PLUS Digital Air/Fuel Ratio Gauge Kit 3ft w/O2 Sensor. The MTX-L is a complete wideband controller built in to a stylish 52mm/2-1/16" gauge. It features the same award-winning patented digital measurement principal found in the LC-1 and LM-1, and includes digital input, output, and 2 programmable analog outputs. The MTX-L wideband controller works very well with MegaSquirt EMS. The New MTX-L PLUS wideband gauge features our patented DirectDigital™ technology and all-new Advanced Sensor Control which receives feedback from the sensor more frequently and optimizes heater control. The combination of these technologies makes the MTX-L Plus our fastest, most durable and accurate air/fuel ratio gau Innovate MTX-L PLUS * Innovate MTS serial in/out (for use with MTS enabled devices to add additional logging channels) * Datalog using powerful LogWorks software on your PC MTX-L PLUS: Digital Wideband Air/Fuel Ratio Gauge Kit (8 Ft.)-Includes: Gauge, Silver Bezel, Black Bezel, White Faceplate, Black Faceplate, LSU 4.9 Wideband O2 Sensor, 8 Ft. Sensor Cable