I also posted in Gen 7 Forum When engaging the left turn signal all the hazard lights flash including the cab clearance lights. When engaging the right turn signal only the right turn signals engage When engaging the hazard lights all hazard lights flash including the cab clearance lights When...

I have another symptom When the headlights are turned on the left turn signal indicator on the dash comes on and when the headlights are on none of the turn signals will flash. The turn signal lights front, back, and sides remain on and solid

The brake lights work and no other lights come on when the brakes are depressed

Thanks I'll give that a shot

I have a 86 F350 dump truck. Just bought it -pig in a poke - When I engage the left turn signal the following lights flash: Left & right front turn signals, left & right front side turn signals, marker lights on top of cab, side marker lights on dump bed, rear turns signals both right and left...