93 80 series damaged o2 sensor wiring help (1 Viewer)

[dcashley84]

So my new to me 80 was throwing 21 code. Found wiring was damaged. I have a parts 80 so I cut the wiring for o2 sensor off old parts rig and cut damaged o2 wiring from my 93.

Question is the blue wire is a wire inside a wire. How to I splice that one?

Can I use heat shrink butt connectors or is there a better option? I’m now getting 25 code and I think it’s the blue wire double wire that is causing it.

 

[OffRoadScott]

As far as your splice I am not sure how to answer that.

As far as the connectors, I would use the butt connectors that have the solder built into them to get the best connection.

 

[dcashley84]

The blue wire has a wire in a wire. How do I splice that in?

 

[TheBussman]

It can be spliced, separate the inner and outer conductors, then splice them one buy one. use 2 small pieces of heat shrink to keep them from touching and then a large piece of heat shrink over the whole thing.

 

[dcashley84]

It can be spliced, separate the inner and outer conductors, then splice them one buy one. use 2 small pieces of heat shrink to keep them from touching and then a large piece of heat shrink over the whole thing.

Thanks. Going to try that in am. With some good solder butt connectors and heat shrink cover

 

[lumbee1]

The blue wire is your O2 signal wire. It has a shielding jacket around it that only blocks EM interference.
The yellow/red is your heater+ wire.

You should have enough extra wire to put in a butt connector or solder/shrink wrap.

 

[dcashley84]

The blue wire is your O2 signal wire. It has a shielding jacket around it that only blocks EM interference.
The yellow/red is your heater+ wire.

You should have enough extra wire to put in a butt connector or solder/shrink wrap.

So on blue wire can I just cut the outside shelling wire and just connect the inner wires together with solder butt connector and shrink tube?

 

[lumbee1]

So on blue wire can I just cut the outside shelling wire and just connect the inner wires together with solder butt connector and shrink tube?

Yeap. I soldered and used shrink tube to cover my connections. I would cut the shielding cover back about a half inch from the joint so there's no chance of the shielding touching the signal wire.