2000 Silverado Bcm Wire Voltages

By | February 8, 2023

2000 Silverado Bcm Wire Voltages

The 2000 Silverado Bcm wire voltages are as follows: *

B+

(battery positive) - 12 volts *

B-

(battery negative) - 0 volts *

CAN H

(controller area network high) - 2.5 volts *

CAN L

(controller area network low) - 0.5 volts *

Key On

(ignition switch on) - 12 volts *

Engine Run

(engine running) - 12 volts The B+ and B- wires are the main power and ground wires for the Bcm. The CAN H and CAN L wires are used for communication between the Bcm and other electronic modules in the vehicle. The Key On and Engine Run wires are used to provide power to the Bcm when the ignition switch is turned on or the engine is running. The following table provides a more detailed description of the 2000 Silverado Bcm wire voltages: | Wire | Description | Voltage | |---|---|---| | B+ | Battery positive | 12 volts | | B- | Battery negative | 0 volts | | CAN H | Controller area network high | 2.5 volts | | CAN L | Controller area network low | 0.5 volts | | Key On | Ignition switch on | 12 volts | | Engine Run | Engine running | 12 volts | ## How to Check 2000 Silverado Bcm Wire Voltages To check the 2000 Silverado Bcm wire voltages, you will need a voltmeter. The following steps will show you how to check the voltages: 1. Turn off the ignition switch. 2. Disconnect the negative battery cable. 3. Connect the voltmeter to the B+ and B- wires. 4. Turn on the ignition switch. 5. The voltmeter should read 12 volts. 6. Start the engine. 7. The voltmeter should read 12 volts. If the voltmeter does not read the correct voltage, there may be a problem with the Bcm or one of the other electronic modules in the vehicle. You should have a qualified technician diagnose and repair the problem. ## Troubleshooting 2000 Silverado Bcm Wire Voltage Problems If you are having problems with the 2000 Silverado Bcm wire voltages, there are a few things you can check to troubleshoot the problem: 1. Check the fuses. There are several fuses that protect the Bcm and its wiring. Check the fuses to make sure they are not blown. 2. Check the wiring. The wiring for the Bcm can be damaged or corroded. Check the wiring for any damage or corrosion. 3. Check the Bcm. The Bcm itself can malfunction. If you suspect that the Bcm is the problem, you should have it tested by a qualified technician. By following these steps, you can troubleshoot 2000 Silverado Bcm wire voltage problems and get your vehicle back on the road. ## Conclusion The 2000 Silverado Bcm wire voltages are an important part of the vehicle's electrical system. By understanding the correct voltages, you can troubleshoot problems and keep your vehicle running smoothly.


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