How to replace the Power Distribution Relay attached to the wire harness on Buick Terraza?

Starting the Power Distribution Relay replacement process requires one to use the Master Electrical Component List for relay localization. Use appropriate tools to remove fastening components from the relay while also removing all Connector Position Assurance (CPA) devices and secondary locks. Carefully disconnect the relay from its position connecting to the wire harness terminals. To install the relay reattach it to the wire harness connector then replace any CPA devices and secondary locks before using the original fasteners or tape for mounting.

OEM Buick Terraza Relay

Wire Relay

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

5 Relays found

View related parts
Buick Terraza Control Relay, Light Gray Part Number: 19259019
$15.99 MSRP: $30.02
You Save: $14.03 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Stop Lamp Switch *Light Gray; Multi Purpose Relay; ABS Relay; Relay; Relay, Air Suspension And Inflator Unit; Relay, Voltage And Glow Plug
- Replaces: 12135010, 12193605
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Terraza Fuel Pump Relay, Black Part Number: 13503103
$5.21 MSRP: $11.29
You Save: $6.08 (54%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Fan Control *Black; Daytime Running Light, Rear Window Defroster, Multi Purpose, Cooling Fan, ABS Relay; Fan Relay; automotive relay series for interior, engine, body & control systems.
- Replaces: 19115298, 12193612, 12135198, 12193602, 12077865, 12177234, 15328865, 21997408, 19116363
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Terraza Fuel Pump Relay, Gray; Green Part Number: 13503102
$7.74 MSRP: $16.90
You Save: $9.16 (55%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Voltage And Glow Plug; Daytime Running Light; Rear Window Defroster; Multi Purpose; Cooling Fan; Fog Light; ABS.; Relays: Fan, Horn, Window, Theft, Wiring, Wiper, A/C, Lighting, Brake, Emiss., Heater, Starter, Fuel
- Replaces: 12193604, 15328864, 12088592, 12177236, 12088576, 12193614, 12135175
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Terraza Fuel Pump Relay, Black Part Number: 13500126
$11.65 MSRP: $21.88
You Save: $10.23 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Windshield Wiper Motor, Daytime Light, Rear Defroster, Blower Resistor, Multi Purpose, Fog Light; Fan Relay; Horn Relay; Compressor Relay; ECM Relay; Lock Relay; Resistor
- Replaces: 19116058, 92181835, 92199311, 12135180, 12077866, 15328867, 19115082, 15393413
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
View related parts
Buick Terraza Fuel Pump Relay Part Number: 21997416
$22.55 MSRP: $42.34
You Save: $19.79 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Main Wiring Junction And Fuse Block; Multi Purpose Relay; Fog Light Relay; Relays: Horn, Compressor, Head/Wash, Head/Fog, Turn Signal, Voltage & Glow Plug, A/C, Fuel Pump, Tail Lamp
- Replaces: 19115021, 19115563
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Buick Terraza Relay

Want to cut long-term maintenance and repair costs? Choose OEM Relay. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick Terraza parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick Terraza Relay includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Buick Terraza Relay exists as an essential system component that ensures reliable operation of the full air conditioning system of the Buick Terraza platform. The Relay sends minimal power signals to control the fan and blower motor which lets the passengers maintain their ideal cabin temperature. Buick launched the Terraza in 2005 with the goal to appeal to young buyers while offering a generous interior that seated seven people. The Buick Terraza utility of the Relay attains its maximum value through improved operational efficiency together with safer performance of the climate control functions. Engineering excellence of the Buick Terraza becomes apparent through its use of different relay systems including both electromechanical and solid-state types. The Relay demonstrates high importance through its latching mechanisms that preserve system integrity by managing power interruptions. The the automaker model delivers both a unique appearance and durable components which makes it distinctive among competitors while its side airbags and all-disc antilock brakes serve to improve safety standards. Thanks to the car Relay the vehicle ensures dependable performance which confirms its position as an exceptional luxury minivan model.

Buick Terraza Relay Parts and Q&A

Control Relay, Light Gray
19259019
Q: How to replace the Power Distribution Relay attached to the wire harness on Buick Terraza?
A:
Starting the Power Distribution Relay replacement process requires one to use the Master Electrical Component List for relay localization. Use appropriate tools to remove fastening components from the relay while also removing all Connector Position Assurance (CPA) devices and secondary locks. Carefully disconnect the relay from its position connecting to the wire harness terminals. To install the relay reattach it to the wire harness connector then replace any CPA devices and secondary locks before using the original fasteners or tape for mounting.