Not sure about the ECM... but it might be under the passenger or drivers seat IIRC.

Check the bottom of the reservoir tank, pump is located there... could be dirty contacts, fuse or pump itself.

HTH
Van <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />


'94 Isuzu Pickup, 4x4
NEVER give up...