What is this plug?

[Gibson]

Its was a valve I believe that regulated flow to stiffin steering in city or highway driving.

I think your right.
IIRC, it was an early attempt at "speed sensitive" steering.
To allow more pressure or flow when you turned the wheels while stopped or moving real slowly, like when parallel parking.

 

[SUBURBAN5]

I think your right.
IIRC, it was an early attempt at "speed sensitive" steering.
To allow more pressure or flow when you turned the wheels while stopped or moving real slowly, like when parallel parking.

It's funny cause there trying to bring it back for the new 21 or 22 trucks, suvs I think although its electric steering

 

[Supercharged111]

It's nice when it works right. I fixed it on my 1500 and the truck has better wheel feel.

 

[Raspi454]

quick question, where does this plug into? It comes out where the maf sensor wire goes into the rest of the harness.

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[SUBURBAN5]

I'm gonna have to look at mine. However mine is a 98 2wd suburban. I dont recall that plug lol. But I'll have to look to confirm

 

[Pinger]

It's nice when it works right. I fixed it on my 1500 and the truck has better wheel feel.

Mine has it. I reckon it would be pretty horrible to drive if the level of assistance at parking speed prevailed at road speeds.

 

[Raspi454]

I'm gonna have to look at mine. However mine is a 98 2wd suburban. I dont recall that plug lol. But I'll have to look to confirm

There's a similar plug that plugs into something on the firewall, but that's plugged in already.

 

[SUBURBAN5]

That's a negative for me I think. Heres my set up in that area

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[SUBURBAN5]

Possibly under hood light? Heres mine

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[96-2D-Hoe]

That looks like the cable for the underhood light. If you have one of those then it's probably for the reel light that is optional.