Check the A/C fuse, that's what happened on my '85.
There was no rwd Cadillac Fleetwood in '98
To replace the heater blower relay on a 1990 Cadillac Fleetwood Brougham, first disconnect the negative battery cable to ensure safety. Locate the relay, which is typically found in the fuse box under the dashboard or near the engine compartment. Remove the old relay by gently pulling it out, then insert the new relay in the same position. Finally, reconnect the battery and test the blower to ensure it operates correctly.
leaking heater core
The heater control valve on a 1988 Cadillac Fleetwood d'Elegance is typically located near the firewall on the passenger side, connected to the heater core hoses. To replace it, first, drain the coolant from the radiator, then disconnect the hoses attached to the valve. Remove the mounting screws to take out the old valve, install the new valve in the same position, and reconnect the hoses. Finally, refill the coolant and check for leaks.
In a 1986 Cadillac Fleetwood, the heater fuse is typically located in the fuse box under the dashboard on the driver's side. You may need to remove a cover to access the fuses. Check the owner's manual for the specific fuse number related to the heater for accurate identification. If the fuse is blown, replacing it should restore heater functionality.
Try asking this question again calling it a blower resistor.
AnswerDepends whats broken ie. blows cold, no blower at all ???????no blower at all
97 cadillac deville heater controll
To replace the heater core in a 1979 Fleetwood Cadillac, start by disconnecting the battery and draining the coolant from the radiator. Remove the dashboard and the center console to access the heater core, then detach the hoses connected to it. Replace the old heater core with the new one, reattach the hoses, and reassemble the dashboard and console. Finally, refill the coolant, reconnect the battery, and check for leaks.
On a 1991 Cadillac DeVille, the relay for the heater blower is typically located in the fuse box, which is found under the dashboard on the driver's side. You may need to consult the owner's manual for the exact location within the fuse box, as there may be a diagram indicating the specific relay for the heater blower. Additionally, check for any other related fuses that could affect the blower's operation.
Check the control module, the resistor, etc......
To replace the heater core in a 1955 Cadillac Fleetwood, first, disconnect the battery and drain the coolant from the radiator. Remove the dashboard and heater assembly to access the heater core, which typically involves unscrewing several screws and possibly removing the glove compartment. Once exposed, disconnect the hoses attached to the heater core and remove it from the housing. Install the new heater core by reversing the disassembly steps, ensuring all connections are secure before reassembling the dashboard and refilling the coolant.