Mice007 Posted April 15, 2019 Share Posted April 15, 2019 (edited) Guys, in my 1969 Riviera (factory AC) the blower motor runs at low speed if I select "Max" on the dashboard. All other speeds (Low, Medium, High) works fine. I've already checked the resistor with an Ohm meter and it seems fine, connectors also good, but I have a feeling that when Max speed is selected the 12V is directly fed to the motor somehow and I think there is something wrong in this. I've already checked the wiring diagram of the car but cannot see any suspicious on it. Could you please advise where and what should I check? Edited April 15, 2019 by Mice007 (see edit history) Link to comment Share on other sites More sharing options...
telriv Posted April 16, 2019 Share Posted April 16, 2019 More than likely the high blower relay found on the firewall. Link to comment Share on other sites More sharing options...
68RIVGS Posted April 16, 2019 Share Posted April 16, 2019 . . . likely what Tom sez ? Link to comment Share on other sites More sharing options...
Mice007 Posted April 23, 2019 Author Share Posted April 23, 2019 Thanks guys for the suggestion. I checked the relay and it was the issue. It's working fine now after a decent clean on the inside. Link to comment Share on other sites More sharing options...
telriv Posted April 24, 2019 Share Posted April 24, 2019 Mice, Glad I could help & send you in the right direction BEFORE you started to drive yourself CRAZY!!!! Tom T. 1 Link to comment Share on other sites More sharing options...
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