About This File Heater not working on speeds 2 and 4? Or 1 and 3? The resistor pack will be faulty. Here's our step by step guide to replacing your heater resistor pack.
Dave 3,454 March 8, 2016 1 of 1 member found this review helpful 1 / 1 member Share this review The bible for fixing our Civic Ma Mb Mc Heaters! Link to review