O2 sensor wiring on 305 TBI

[GMC500]

hi

I have a 89 caprice with 305 TBI engine
the O2 sensor wire on the driver side exhaust manifold is not connected to anything

can someone please help me on where this wire should be connected? diagrams or pics will be much helpful


thanks in advance

 

[southernspeed]

hi

I have a 89 caprice with 305 TBI engine
the O2 sensor wire on the driver side exhaust manifold is not connected to anything

can someone please help me on where this wire should be connected? diagrams or pics will be much helpful


thanks in advance

On my '91 truck it connects to a purple wire that runs from the loom above the motor so you could look around that area.