yea may be
but i have no clue where tho ive been all thru the wiring down there havent found anything.
get this its never blown a fuse tho... and i have a 20a fuse instead of 30a. i was hopeing it blow fuse before it fried the blower resistor again.
either the resistor is going bad or the com link frm the dash unit to comp to blower resistor is shorting somewhere i cannot find it
without that com signal the comp wont turn on the relays
Try tapping the bottom of the heater box with the toe of your shoe when it doesn't go on. There have been problems with the blower motors. My 03 had a sticking brush that didn't make contact. Vibration would make it slip in its channel and touch again or the rotor moved enough to touch it.
Have you checked the contacts on the blower motor connector for burned, heated contacts?
Have you checked at the resistor connector for burned contacts?