480LE speed sensor circuit questions [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: 480LE speed sensor circuit questions


joispoi
08-10-2007, 06:04 PM
Is anybody familiar with the 480LE speed sensor voltage range?

Does voltage increase or decrease with output shaft speed?

The signal goes to the pcm and the spedo....is the circuit going to the pcm isolated from the spedo?

Which wire is it?

Regards -Joi

Jess_sr
08-10-2007, 07:27 PM
A/C voltage should increase and speed increases.