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Ask Don 'Mo Lurch' Your Own Que...
Don 'Mo Lurch'
Don 'Mo Lurch', Auto Mech / Electronics
Category: Chevy
Satisfied Customers: 20895
Experience:  Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.
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Replace part number of OEM Speedometer cable 2500 6.0 liter

Customer Question

Replace part number of OEM Speedometer cable for 2002 2500 6.0 liter suburban
Submitted: 1 year ago.
Category: Chevy
Expert:  Don 'Mo Lurch' replied 1 year ago.

The Speedometer on your Suburban is "Electronic", there is NO "Cable", there is a Speed Sensor

The PCM converts the data from the vehicle speed sensor to a 4000 pulses/mile signal.

The IPC uses the vehicle speed signal circuit from the PCM in order to calculate the vehicle speed.

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Customer: replied 1 year ago.
OK, Thanks. this car has 260,000 on it. We get a clicking noise that increases with frequency the faster you go. It sounds like it is coming from the back of the instrument cluster. Any idea of what it might be? Thanks for you response
Expert:  Don 'Mo Lurch' replied 1 year ago.

Likely the "stepper motors" used in the Instrument Panel
The Speedometer Head could also be causing this issue & needs to be tested

Expert:  Don 'Mo Lurch' replied 1 year ago.

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Expert:  Don 'Mo Lurch' replied 1 year ago.

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