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Audio + Electronics
Sound systems, switches, computers, accessories and all the wires that connect them.
Wiring Diagrams
Post all the relevant wiring diagrams you find for GMT400 trucks or GM engines.
Threads
210
Messages
1.3K
Threads
210
Messages
1.3K
A
7 pin trailer outlet under truck wiring?
Today at 12:45 AM
Arrudawakening
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Sticky
How to modify the 95+ Warning Chime Module, plus other info.
thunderstruck
Feb 19, 2014
2
Replies
12
Views
40K
Yesterday at 4:07 PM
modernbeat
Sticky
The Stupid Electronics Questions Thread
Mike
Dec 3, 2009
93
94
95
Replies
944
Views
188K
Mar 10, 2024
CountyLineGarage
Sticky
How To: Install HID 's & HID Lighting Explained
Mean Green
Feb 26, 2012
3
4
5
Replies
44
Views
37K
Feb 29, 2024
your mom
Y
Sticky
4 Hi Headlight Mod
Ginger
Dec 4, 2009
61
62
63
Replies
620
Views
408K
Feb 22, 2024
pgutier1
Sticky
96-98 Vortec Alternator Upgrade AD244
Hodges87
Dec 14, 2009
17
18
19
Replies
189
Views
243K
Feb 14, 2024
drbizerk
D
Sticky
How to stop LED Fast Flash info
Devs93
Jul 17, 2011
6
7
8
Replies
77
Views
50K
Feb 5, 2024
jeremytn86
Sticky
Recalibrating 1988-1991 speedometer / dash cluster
someotherguy
May 31, 2023
2
Replies
15
Views
5K
Dec 1, 2023
schaefsh
S
Sticky
How to Replace Blower Motor Resistor
mjleg
Apr 25, 2010
5
6
7
Replies
69
Views
55K
Jul 17, 2023
HotWheelsBurban
Sticky
HOW TO: Fix Bouncy/Hummingbird Fuel Gauge Needle
ChrisAU
Dec 10, 2012
11
12
13
Replies
129
Views
170K
May 19, 2023
Hoplite
Sticky
Adding AUX to 88-94 Stock Stereo
Triplel40
Apr 25, 2018
5
6
7
Replies
68
Views
45K
May 3, 2023
DerekTheGreat
Sticky
How To Put LEDs in Moonie Gauges
1badgmc
Jan 22, 2011
13
14
15
Replies
145
Views
86K
Mar 16, 2023
PlayingWithTBI
Sticky
Adding AUX Input to OBS Stock Radio
capricefrk013
Dec 9, 2009
3
4
5
Replies
41
Views
61K
Mar 8, 2023
cjpett
Sticky
GMT400 projector retrofitting
GMT400Tahoe
Sep 15, 2017
2
3
4
Replies
31
Views
43K
Mar 17, 2022
2drXmobb
Sticky
Installing a Remote Start, Alarm, or Keyless Entry?
CodyB
Dec 16, 2009
7
8
9
Replies
81
Views
97K
Jun 20, 2020
Wh4t3v3rs
Sticky
Automotive Wiring Info
capricefrk013
Dec 3, 2009
2
Replies
13
Views
17K
Jun 3, 2020
df2x4
Sticky
WRITEUP: GM Remote MOD
TruckinAin4Sissies
Sep 1, 2011
7
8
9
Replies
85
Views
63K
May 27, 2020
kenh
Sticky
30" LED Bar Install + Pics
Mike
Sep 5, 2013
4
5
6
Replies
53
Views
47K
Oct 20, 2019
RMFSK1500
Sticky
How to: Install the PAC AAI-GM9 aux input interface into a GM truck
T DOG
Jul 18, 2011
2
3
Replies
21
Views
30K
Jul 5, 2017
skobuffs
S
K
You all helped me so much, but I still have so many questions about this truck
Kavenadams
Yesterday at 8:25 PM
Replies
4
Views
124
Today at 6:18 AM
DerekTheGreat
J
Interior light problems
Javlin42
Feb 4, 2024
Replies
8
Views
416
Today at 5:10 AM
GoToGuy
J
No turn signals!! Need help.
Jazzyjasmine11
Yesterday at 10:02 PM
Replies
1
Views
63
Yesterday at 10:14 PM
GoToGuy
K
New gmt 400 owner, wondering what these are for
Kavenadams
Yesterday at 5:28 PM
Replies
9
Views
154
Yesterday at 9:45 PM
GoToGuy
M
Odometer not working - 92 sierra
Mekirk2
Feb 25, 2024
Replies
2
Views
161
Yesterday at 9:32 PM
GoToGuy
Arteb Headlights / Taillights End-of-Life (?)
1998_K1500_Sub
Oct 10, 2023
10
11
12
Replies
117
Views
10K
Yesterday at 3:39 PM
1998_K1500_Sub
Brake lights
Tim W
Saturday at 6:26 PM
Replies
5
Views
156
Yesterday at 2:46 PM
Knoxvillin865
K
R
Double din that doesn’t require cutting dash?
Redsled
Mar 3, 2024
2
3
Replies
20
Views
1K
Yesterday at 11:57 AM
RacerM95
R
R
97 Chevy C1500 Silverado Single Cab Speakers
RubnOneOut
Feb 21, 2024
Replies
8
Views
387
Yesterday at 9:58 AM
RubnOneOut
R
Got my mooneis working!
Gordy_
Sunday at 10:58 PM
Replies
2
Views
104
Yesterday at 12:20 AM
Gordy_
S
Braided ground strap hanging loose?
Scupper
Mar 2, 2024
Replies
4
Views
203
Sunday at 3:26 PM
Scupper
S
I found an interesting comparison on headlight bulbs
454cid
Sunday at 2:02 AM
Replies
0
Views
71
Sunday at 2:02 AM
454cid
Led Headlights
Merritt31
Feb 17, 2024
3
4
5
Replies
46
Views
2K
Saturday at 10:22 PM
Grube
C
89 silverado gauge swap altenator not charging
Coyotesa
Mar 10, 2024
2
Replies
13
Views
354
Friday at 6:41 PM
caminonut
Dome lights not turning off just dimming
Ls_Obs96
Wednesday at 11:31 PM
Replies
4
Views
98
Friday at 2:16 PM
95burban
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Manual HVAC control repair?
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You all helped me so much, but I still have so many questions about this truck
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