Trans ID DPP should be RPO C7P (16,000 GVW) or C7R (16,500 GVW)

If the 10th digit of the VIN is "V", you do have a 97. 4L80 E, no park pawl.

It will be a electric/hydraulic park brake. Electric pump on right frame rail behind actuator. Hydraulic pressure i... Login to read more.