Crankshaft positioning sensor

Asked by Ninomag Mar 27, 2020 at 04:57 PM about the 1995 GMC Suburban K1500 4WD

Question type: Maintenance & Repair

I got a 5.7 liter engine from
a 99 suburban.took my
motor out of my 95
suburban and put the heads
and intake manifold on the
99 engine block.. I noticed
it's got a crank sensor plug
and the 95 engine does
not.. will the 99 engine work
if I have no plug for the
crank sensor?

2 Answers


You need the correct wiring harness and ECU to operate the 99 engine. You may have to swap the 99 heads and intake back onto the engine.


It may be possible to swap in the 95 distributor and run the 99 engine without the crank sensor. This is why you do not want to swap an OBD2 engine to a OBD1 car or vice versa.

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