This category on the website [ Relays and Wiring ] we are giving you all of the information related to the individual relays in the Buick Turbo Regal, along with the associated wiring, connector plugs, etc.
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VEHICLE APPLICATION:
Buick Regal, T-Type, Turbo T, Limited, Grand National, GNX
RELAY NAME:
HVAC Fan Blower Relay
PURPOSE OF RELAY:
heating & A/C fan blower
TURNS ON-OFF / FUNCTIONS / USED WHEN:
when multi-speed HVAC switch is turned on, the relay kicks on, to turn the fan blower motor on
LOCATION IN VEHICLE:
engine compartment, passenger side rear, on top of blower unit
ORIGINAL GM PART NUMBER:
10018449
RELAY / BASE COLOR:
metal case
CONNECTOR PLUG COLOR (RELAY SIDE):
black
WIRES ATTACHED (RELAY SIDE):
n/a
CONNECTOR PLUG COLOR (HARNESS SIDE):
black
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
5
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
red “D”, goes to fusible link “A”
(connects with other things at fusible link)
orange “E”, goes to (junction) to heater ac control head (blower switch) “B” [hi]
dark blue “C”, goes to blower resistor “B”
purple “A”, goes to blower motor
black “B”, goes to (junction) to ground
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OTHER NOTES:
called “blower relay” on factory diagrams.
[SEE hvac blower resistor]
[SEE hvac blower motor]
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PHOTOS OF RELAY AND CONNECTED WIRES:
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Here’s a list of all of the relays in the Buick Regal:
(click the links to go to the one you need info about)
* Air Conditioning Compressor Cutout Relay (A/C Cut-out)
* Blower Relay (hvac fan blower motor)
* Coolant Fan Delay Relay
* Door Lock Relay
* Fuel Injector Relay (aftermarket)
* Fuel Pump Relay (factory)
* Fuel Pump Hot Wire Relay (aftermarket)
* High Speed Coolant Fan Relay
* Horn Relay
* Ignition Module Relay (aftermarket, hot wire kit for coil pack)
* Low Speed Coolant Fan Relay
* Power Antenna Relay
* Power Master Brake Relay
* Starter Interrupt Relay (part of Theft Deterrent system)
* Theft Deterrent Relay
* Twilight Sentinel Module Switch Relay
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