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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