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Fuel Injectors

This category on the website [ Other Electrical Motors & Parts and Wiring ] we are giving you all of the information related to these assorted components 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

ELECTRICAL MOTOR / PART NAME:

Fuel Injectors

PURPOSE OF ELECTRICAL MOTOR / PART:

sprays fuel into the intake manifold

TURNS ON-OFF / FUNCTIONS / USED WHEN:

in constant use while the engine is running

LOCATION IN VEHICLE:

engine compartment, top side of motor, left and right sides, between fuel rail and intake manifold

ORIGINAL GM PART NUMBER:

25519365

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ELECTRICAL MOTOR / PART – BASE COLOR:

metal, black
(top/bottom tips may be a different color)

CONNECTOR PLUG COLOR (ELECTRICAL MOTOR / PART SIDE):

black (usually)

WIRES ATTACHED (ELECTRICAL MOTOR / PART SIDE):

n/a

CONNECTOR PLUG COLOR (HARNESS SIDE):

black

NUMBER OF WIRES ATTACHED (HARNESS SIDE):

2 wires on each fuel injector plug
(12 total wires)

COLOR & PURPOSE OF (HARNESS SIDE) WIRES:

[POWER SUPPLY FOR ALL INJECTORS:]

brown “B”, goes to (connector plug with the other injectors) to (junction) to pink-black wire to FP/INJ fuse.

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[INJECTOR CONTROLS, EACH INJECTOR HAS A SEPARATE CONTROL WIRE]

INJECTOR 1:
black “A”, goes to (junction) to light blue wire to ECM “D14”

INJECTOR 2:
black-light green “A”, goes to (junction) to purple wire to ECM “C15”

INJECTOR 3:
black-pink “A”, goes to (junction) to brown wire to ECM “D15”

INJECTOR 4:
black-red “A”, goes to (junction) to light green wire to ECM “D16”

INJECTOR 5:
black-white “A”, goes to (junction) to tan wire to ECM “B12”

INJECTOR 6:
black-yellow “A”, goes to (junction) to gray wire to ECM “C12”

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PHOTOS OF ELECTRICAL MOTOR / PART AND CONNECTED WIRES:
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84-85 ecm fuel pump oil pr

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OTHER NOTES:

The stock injectors are 28 lb/hr, and are “high impedance.”
(this rating is good for Turbo Buicks up to 300 horsepower)

[aftermarket versions are available in high or low impedance versions]

This is usually one of the first things upgraded on most vehicles.
42’s use to be the go to versions, but 60 pound injectors are now a good all around upgrade (assuming you didn’t go to crazy on your engine build).
YOU MUST HAVE YOUR AFTERMARKET ECM CHIP REBURNED FOR AN INJECTOR UPGRADE!

[SEE fuel injector wiring harness upgrade]

[SEE fuel injector hot wire kit]

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Here’s a list of all of the Misc. Electrical Motors & Parts in the Buick Regal:
(click the links to go to the one you need info about)

* Air Conditioner Compressor & Clutch (A/C Compressor)
* Cigarette Lighter
* Fuel Gauge Sending Unit (Fuel Gage Sender)
* Fuel Injectors
* Fuel Pump
* Horn
* HVAC Blower Motor
* HVAC Fan Blower Resistor
* Power Antenna
* Power Door Lock Actuator (Motor)
* Power Window Motor
* Radiator Coolant Fan
* Radio (Stereo)
* Seat Belt Door Jamb Tensioner Release
* Speakers (4 & 6 Systems, Concert Sound)
* Sunroof Motor (Moonroof, Astroroof)
* Wiper Washer Motor

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