Another HVAC Problem

[Shipfaced]

Pulled blower motor out today, cleaned, lubricated, tested. Motor draws 2.25 amp with no blower, seems reasonable. Reassembled into car, blower switch turned to “O”, turned key to “on”, blower runs full speed with no control over speed with switch. Start car, blower stops, no control with switch, no lights on ECCU. Turn car off then back to “on”, no blower. Remove and reinstall ECCU, turn key to “on”, blower runs full speed...etc, etc. Any ideas?