You could have a short from the controlls to the fan
under the hood on the front right side you have 4 relays the second from left to right
You will hear the fuel pump prime for about a second when when you turn the ignition key to the "on" position. It's a low buzzing sound.
It's under the steering column to the left. It's the second relay from the top, of a group of four relays. in the g. m. book it's called item #57
i think either 1982 or 1974
The most common cause of the heater blower being on high only is the blower resister failing. The second most common problem is the blower switch going bad.
Heater coil? Or do you mean the heater core? If it's the core, the problem might be due to rust in the cooling system. This is usually because someone just filled or topped off the system with plain water instead of a 50/50 mix of water/antifreeze. I'd have the whole cooling system flushed before replacing another heater core, and make sure the proper mix of water/antifreeze is used to refill the system.
Under the dash of passenger side unbolts from bottom of ducting. (squirrel cage fan) No, wrong answer, the heater fan motor on all second generation f-body cars (1970-1981 camaro, firebird, trans am) is found in the right side fender, with a/c or not.
Under dash
The most common problem is low refrigerant levels. Have it checked by an AC specialist. The second most common problem is a stuck heater valve. The most common problem is low refrigerant levels. Have it checked by an AC specialist. The second most common problem is a stuck heater valve. But there can be other problems as well. AC blows warm air when: ac low on charge, possibley due to leak, ac clutch not engaging, faulty ac switch or pressure switch, ac belt broken, doors not opening or closing.
Try the thermostat, second see if the heater core is plugged up if that's not the problem see if the engine is even running hot enough
It does if it has a rear heater. It will be back near where the heater outlets are.
The second number in a subtraction problem is called the subtrahend.