BigSachsy1
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Hello, I'm wondering if someone can identify what this plug is for? I heard a rumor (YouTube comment) that it's for a battery isolator.
Plug identification
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No idea at all really but it does kinda look like the plug for the AC low pressure switch.
it doesn't go to anything. whatever it did go to or whatever it is or was originally intended to go to was deleted by gm.
this comes up from time to time.
I suspect at one time it may have been intended for a reservoir coolant level sensor but does not reach and some years do not have the sensor either.
or as mentioned could have been intended as a sensor for the ac pump, some pumps have the sensor and some do not, some years use a sensor and some years do not.
there are a multitude of ac pump versions out there, if yours ever needs to be replaced match it up visually otherwise no telling if you get the right one or not.
only some gm engineer that is probably on his death bed knows for sure.....
From a 2004:
Probably something useless gm deleted like they have other things....
First: Is it a diesel? Why the battery there?
Second: Looks like the pressure switch plug, like @Fless said and looks like end of existing switch is taped over.
Second: Looks like the pressure switch plug, like @Fless said and looks like end of existing switch is taped over.
that's not a battery, it's either a isolator or a cap
What's under the tape on your accumulator?
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BigSachsy1
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Hey all, firstly I apologize for the late responses, I forgot I even posted this and the app didn't notify me that anyone responded. Anyhow, I appreciate the input from everyone.
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BigSachsy1
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It's the actual plug for the accumulator, I need to tidy that up. Behind it is the battery isolator and to the left (not pictured) is the secondary battery.
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BigSachsy1
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Yup, a stinger 200 amp isolator
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BigSachsy1
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It's not a diesel, it's a just a 2nd battery because I have (it came with the Tahoe) a sound system and an HID conversion kit. Yup, existing switch is taped over.
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BigSachsy1
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Yup, mine has 2 plugs coming off that wire run, one is plugged in with the electrical tape and the other is just hanging.
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BigSachsy1
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Aw man, that's a bummer. Wish I could read the schematics to maybe find out as well. I have a random YouTube comment saved (on someone's video about doing a 2nd battery) that says the plug is for a stock isolator, hence my asking you guys for help. I wish I could find a gm guy who's been there for like 40 years and knows, haha.
