67wizard
Junior Member
Have a friend that changed his ecu (thunder max) on a 05 road king. Now no speedometer and other lights in the speed o housing, also no tail lights. The brake light works fine, checked all fuses and their ok. Any and all ideas welcome. HELP.
Put the old ecu back in but same trouble. Called thunder max they neve had such a problem come up. May not be the ecu, but at a lose.
Put the old ecu back in but same trouble. Called thunder max they neve had such a problem come up. May not be the ecu, but at a lose.