[Gmecm] 4L60e

[WopOnTour]

AFAIK that switch mounted on the shift shaft of the 4L60E (on the 95 or 
newer models) is merely for the digital PRNDL readout on the cluster which 
wouldn't be required on the older dash.However there may be other electronic 
differences in the 96 model (e.g. solenoids?) that might not be totally 
compatible with the 93 PCM . I don't have those details in front of me, but 
some else here may know. Something about a different Pressure Control 
Solenoid PWM frequency rings a bell???...
HTH
WopOnTour
----- Original Message ----- 
From: <Rexdina at aol.com>
To: <gmecm at diy-efi.org>
Sent: Tuesday, September 05, 2006 5:38 PM
Subject: [Gmecm] 4L60e


> Hope I don't offend anyone, but I have a 4L60e question which  probably
> affects the ECM. I have a '94 GMC Van 4L60e that needs rebuilt. I also 
> have a good
> '96 4L60e out of a '96 Chev. pickup. Both are 2 wheel drive, full  sized
> vehicles. The '96 trans has a black box connected to the shift arm on the 
> trans,
> while the '94 does not. What is the purpose of the '96 black box and it's
> wiring? Can it be discarded and can the '96 trans. be a bolt in 
> replacement for
> the '94? Thanks in advance.
> RC
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