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Low Speed Fan Relay

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:

Low Speed Fan Relay

PURPOSE OF RELAY:

turns on coolant fan

TURNS ON-OFF / FUNCTIONS / USED WHEN:

when the temp sensor rises above 165-167 the Low Speed Fan Relay turns the coolant (radiator) fans on.
(an aftermarket computer chip sets this temperature degree)

LOCATION IN VEHICLE:

drivers side, second relay from front of car

ORIGINAL GM PART NUMBER:

25526984

RELAY / BASE COLOR:

black

CONNECTOR PLUG COLOR (RELAY SIDE):

black

WIRES ATTACHED (RELAY SIDE):

n/a

CONNECTOR PLUG COLOR (HARNESS SIDE):

black

NUMBER OF WIRES ATTACHED (HARNESS SIDE):

5-6

COLOR & PURPOSE OF (HARNESS SIDE) WIRES:

[2 wires on 1 terminal]
red “1”, goes to high speed coolant fan relay “1”
red “1”, goes to fusible link “E”

[2 wires on 1 terminal]
dark green “2”, goes to ECM “D2” (coolant fan control)
dark green “2”, goes to a/c high pressure switch “A” (a/c equipped cars only)

black-red “4”, goes to coolant fan “A”

brown “5”, goes to (junction) to rlys fuse
(junction connects with high speed fan relay, PM brake relay)

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OTHER NOTES:

low & high fan relays are the same relay.

[SEE high speed fan relay]

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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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