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Buffer??

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Old Apr 20, 2003 | 02:07 AM
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ZZ28ZZ's Avatar
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Joined: Apr 2002
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From: Austin
Car: 82 Z-28
Engine: 383 TPI
Transmission: 700R4
Buffer??

When I bought my 87 GTA parts car, the guy threw in an extra computer. Mounted on the back-side of the plastic piece that the ECM mounts to, there's a yellow thing called a "buffer". There's not one on the computer that was running the car.
What is this thing? Do I need it?
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