This category on the website [ ECM Wiring Harness Related ] we are giving you all of the information related to the individual parts 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
PART NAME:
Tach Tap Harness
(it is actually just a single plug)
PURPOSE OF PART:
provides a 5v square wave signal for an aftermarket tachometer signal
TURNS ON-OFF / FUNCTIONS / USED WHEN:
in constant use if hooked up to a tach
LOCATION IN VEHICLE:
engine compartment, drivers side, behind/near alternator
ORIGINAL GM PART NUMBER:
–
CONNECTOR PLUG COLOR (HARNESS SIDE):
green connector
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
2 white wires (on 1 terminal)
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
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(there’s not a lot of info available on this, even with wiring diagrams!)
maybe this will help:
white wire, instrument panel indicators cluster, C2 pin, “B”, connects to tach input to ignition coil
from ccci (ignition module), white “E”, goes to tach
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PHOTOS OF PART AND CONNECTED WIRES:
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OTHER NOTES:
VDO tach gauges must be modified with a signal converter unit (caspers has these)
The black connector located near this connector should NOT be plugged into this green connector!
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Here’s a list of all of the ECM Wiring Harness Starting Charging Ignition Wiring & Connectors in the Buick Regal:
(click the links to go to the one you need info about)
* ALDL
* Alternator
* Battery Cables (Positive & Negative)
* Bulkhead Connections & Distribution Blocks
* Coil Pack
* ECM Memory Power Wire
* ECM
* Fuel Pump Test Tap
* Fuse Box
* Fusible Links
* Harness Routing
* Ignition Module (IM)
* Inline Fuses
* Main Grounds (Grounding Points)
* SES Light
* Starter
* Tach Tap Harness
* Volts Light
* Wiring Harness (Main Harnesses in car)
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