Still Have One Wire With No ID

M

mikester

G-Body Guru
Mar 10, 2010
866
735
93
Small town NY
#1
Guys, Im down to one wire on the Alpine stereo that Im putting in my wagon. Its the yellow wire for constant power/battery. I figured I would just run it to the fuse block. No big deal.
I still have this one wire under the dash. I have no idea what its for. I dont think anyone could ID it in my other threads.
img_1592-jpg.86764

Its a single brown wire.
I cant test it. Ive got no engine harness in and I wouldnt know where to begin trying to get power to the fuse block.
Can anyone ID this wire and plug ? Its in my 83 Malibu wagon.
 
pontiacgp

pontiacgp

Canadian Prime Minister
Mar 31, 2006
23,792
8,877
113
Kitchener, Ontario
#2
The blower switch uses a yellow wire for the slow speed so it would be switched...why not tap into the lighter wire, it's fused in the fuse box
 
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M

mikester

G-Body Guru
Mar 10, 2010
866
735
93
Small town NY
#3
The blower switch uses a yellow wire for the slow speed so it would be switched...why not tap into the lighter wire, it's fused in the fuse box
I should have explained this better. The stereo has one wire that needs to be hooked up to constant power. Figured it would just be easier to run a line to the fuse block than to tap into the lighter hot wire. Especially since Im soldering and shrink tubing all the connections. I still dont know what this brown wire is for though.
 
84 W40

84 W40

Greasemonkey
Dec 9, 2009
126
131
28
#4
That wire I think controls the stock radio lights when you turn on the head lights i could be wrong. Check it with a test light and turn the head lights on.
 
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M

mikester

G-Body Guru
Mar 10, 2010
866
735
93
Small town NY
#5
That wire I think controls the stock radio lights when you turn on the head lights i could be wrong. Check it with a test light and turn the head lights on.
LOL, did you read the whole post ? The motor and everything under the hood hasnt been installed. Ive got no engine harness and I dont know what I could use to power up the fuse block. In other words, cant use a test light.
From what Ive been told, this is one of the radio harnesses. Yellow was keyed power, black is ground and gray is illumination. Those wires have already been used.

img_1438-jpg.86774
 
pagrunt

pagrunt

Comic Book Super Hero
Sep 14, 2014
2,774
2,928
113
Shelocta, Pa
#6
That looks like the heater power feed.
 
1evilregal

1evilregal

Royal Smart Person
Apr 23, 2009
2,243
1,848
113
Greensboro, NC
#7
I'm remembering something on that brown wire, but not sure if I'm right. I think it goes to the heat/ac circuit somehow... then again, that may be why I have a draw on my battery....
 
1evilregal

1evilregal

Royal Smart Person
Apr 23, 2009
2,243
1,848
113
Greensboro, NC
#8
^ the grunt types faster than I do! :sleep:
 
M

mikester

G-Body Guru
Mar 10, 2010
866
735
93
Small town NY
#10
That looks like the heater power feed.
What would it connect to ? The AC control has a wider multi contact connector. It looks like its only 9 or 10 inches long. Wouldnt the AC harness under the hood have all the wires needed ?
 

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