extra wire ? passenger side fire wall ??

[johne105]

 

hey guys.i have an 06 chevy tahoe,and i'm curious of any of you have the same wire hanging off the power harness on the passenger side of the fire wall near the ac evap system.its a male connector with a brown and black wire going to it its stamped delphi pa66.i'm sure its on the 03-06 series gm trucks but i have know idea want its for maybe an underhood light or something.any gm techs out here got and idea?

[firefighteremt3100]

hey guys.i have an 06 chevy tahoe,and i'm curious of any of you have the same wire hanging off the power harness on the passenger side of the fire wall near the ac evap system.its a male connector with a brown and black wire going to it its stamped delphi pa66.i'm sure its on the 03-06 series gm trucks but i have know idea want its for maybe an underhood light or something.any gm techs out here got and idea?

 

<{POST_SNAPBACK}>

 

 

Its for the womans BOB j/k

[az'03Silverado]

Probably for something your Tahoe didn't come with. Not sure, though. My truck has the same wire. Rear A/C controls for the Burban maybe?

[sonjaab]

GUYS..........Pretty sure it is the extra wire for the 2nd/aux

battery relay set up as described in a few "2nd or aux. battery"

posts around here...............geo

[MS3DALE]

sonjabb's right,Its for the auxilary battery relay.

[5Alive]

What are the GM OEM part numbers to add this auxiliary relay, 2nd battery, tray, and harness in the factory configuration?

[MS3DALE]

Here ya' go.......

 

RELAY,AUX.BATTERY#12135194

CABLE,NEGATIVE#15321207

CABLE,POSITIVE;AUX.BATTERY#15372010

CABLE,POSITIVE;AUX.RELAY TO AUX.BATTERY#15372009

CABLE,POSITIVE;STARTER TO AUX.RELAY#15321259

BLOCK,AUX.BATTERY JUNCTION#15305003

FUSE,40 AMP MEGA#15383342

RETAINER,AUX.BATTERY HOLDDOWN#356668

TRAY,AUX.BATTERY#15246518

AND OF COURSE YOU NEED A 78-SERIES BATTERY.

 

I should add that there might be some "standard" parts you need as well,Such as nuts,bolts,retainers & clips,These are easily procured at any auto parts or hardware store.

One other thing,These numbers are for RPO Option Codes TP2 or 8B0.