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#1
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71 lemans what is this ?
Just wondering what this is I'm pretty sure it's not a regulator. Firewall near pass side
71 T37 2bbl 350 |
#2
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Air Conditioning relay?
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Ed 1968 GTO (Thanks Mom) 2006 Silverado 2007 Cadillac SRX 2015 Chevy Express 2024 Cadillac LYRIQ |
#3
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That's the high blower motor relay.
The car has A/C.
When you turn the blower onto 'HIGH' speed, that relay energizes and bypasses the blower speed switch and runs a direct circuit from the alternator post to the blower motor. This ensures the highest possible voltage to the blower motor, and thus the highest speed and the most airflow. Note that the wiring circuit from the alternator has an inline fuseholder just off the alternator. That's the first thing to check when the blower works, just not on high speed. Then you check the high blower relay. |
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