Might want to check if 94 4L60E has PWM Pump , 98 has it , OBD2 PCM
will be looking for it. If 94 is sans , Install later PWM Pump and
change the
internal harness and connector. Trans control harness from 94 PCM
will be
missing the required extra wire[s]. Ya just need to compare what
you have
against the 98. Most 95 and later 4L60Es are PWM, Most 94 and earlier
are not. The 98 trans should have a bolt on bell housing , your 94
may not.
Compare all functions from the 98 to your 94 , avoids problems
later.You'll
need longer Selector- Detent shaft to utilize the external PRNDL /
BackUp
Light switch module and the needed Metri Pack connectors.If you get
the 98
Trans, get torque converter with it. FYI.
Len
I need a quick answer on this one. I have some manuals on the way but I
don't think they'll get here in time. I currently have a 94 TBI 5.7L w/
4L60E setup. I have found a good deal on a 98 model Vortec 5.7L that
originally had a 4L60E as well. I want to remove the TBI motor and drop in
the Vortec. I need to know if the VCM from a 98 C1500 w/5.7L & 4L60E tranny
will work with a similar 94 model 4L60E. I know the '98 4L60E has a PRNDL
switch and my 94 does not. My 94 does have the bosses on the tranny for it
though. I will install the PRNDL switch on the '94. I just want to double
check and make sure they didn't change the location of any wires within the
wiring harness plug at the tranny etc. I can scan in the 94 model diagram
from the manual if anyone has a newer manual to compare with. I just need to
know if this will work before I buy the engine.
Thanks
Paul Washburn
lpwcruzr@sysmatrix.net
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