JB4 Replacement and Upgrade Chips Vehicle Selection:N55 PWG 2431 Port Injection Driver Chip Click HERE for all wiring

Click HERE for all wiring

Fog lights sold separately on LCI bumpers

Suction tube: 15"

and sending unit included

JB4 Replacement and Upgrade Chips Vehicle Selection:N55 PWG 2431 Port Injection Driver Chip Click HERE for all wiringDescription JB4 Replacement and Upgrade Chips The replaceable 2580 master chip controls the communications between the JB4 and your BMS data cable or JB4 Smart Phone Wireless Connect Kit as well as the model specific firmware. If unable to connect to the JB4 try replacing this first as often it's the culprit. Be sure to specify which firmware you need in the drop down for the chip to work properly with your model. We also have 2431 and 24K22 port