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mike switzer
mike switzer,
Category: Toyota
Satisfied Customers: 695
Experience:  lead diagnostic tech at Aamco
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There is a gh pitched electronic sound on my 2000 Tundra

Customer Question

Good morning, There is a high pitched electronic sound on my 2000 Tundra under the hood. I have not had the engine running for 5 days & then out of nowhere it started making a high picthed humming sound. I disconnect eh battery in order to make it stop which it did so. The noise would start up again when I reconnected the battery. I seen the noise was coming from a small box near the brake cylinder.
Submitted: 1 year ago.
Category: Toyota
Expert:  mike switzer replied 1 year ago.

hi my name is ***** ***** you able to upload a picture of the box?