It depends which engine you have but for the most part you should find the AC compressor clutch relay under the hood, on the drivers side firewall close to the brake master cylinder or under the hood, on top of the drivers side inner fender.
The relay on the passenger side firewall is the ac compressor relay.
That other relay should be the AC compressor relay.
The AC power relay is located behind the right side of the dash on a 1991 Chevy Corvette. It is on top of the plenum.
AC compressor clutch relay, starter relay, high speed blower motor relay,
Under the hood, on the passenger side firewall.
It is located under the AC and Heat instrument panel
The A/C relay on a 1997 Chevy S-10 is located on the firewall of the engine compartment. It is to the right of the blower motor. This relay is part of a bank of relays and should be the third one from the left side, as a person is facing it.
where is the ac relay in a 06 trailblazer
theres no such thing
The AC compressor relay is located under the hood, on the firewall, passenger side.
It is located under the hood on the drivers side fender along with the ac relay. They are attached beside each other on a small bracket.
Under the hood, on the firewall, far to the drivers side. If you have ac there may be two relays there, the other one is for the ac compressor.