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Horn 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:

Horn Relay

PURPOSE OF RELAY:

makes the horns honk!

TURNS ON-OFF / FUNCTIONS / USED WHEN:

whenever you press the horn button (on the steering wheel) the horn relay gets activated, and in turn, the horn honks.

The factory anti-theft deterrent alarm system can trigger the horn relay, as well as aftermarket alarms.

LOCATION IN VEHICLE:

1986-1987:
in the convenience center (between the steering column and the radio)
[the convenience center also contains: Chime module, CC module, VSS buffer, flasher relay.]

1984-1985:
Behind the dash on the left hand side.

ORIGINAL GM PART NUMBER:

25523703

RELAY / BASE COLOR:

black

CONNECTOR PLUG COLOR (RELAY SIDE):

black

WIRES ATTACHED (RELAY SIDE):

n/a

CONNECTOR PLUG COLOR (HARNESS SIDE):

blue

NUMBER OF WIRES ATTACHED (HARNESS SIDE):

3

COLOR & PURPOSE OF (HARNESS SIDE) WIRES:

orange “A”, goes to (junction) to clk/cig fuse
or red (“10”), goes to (junction) to fusible link “A”

dark green “B” (“10”), goes to (junction) to both horns
(also connects to capacitor)
(connects to theft deterrent relay “B”)

black “C” (“11”), goes to (junction) horn brush/slip ring then on to horn switch

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OTHER NOTES:

[SEE horn switch]

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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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