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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
180
Messages
1K
Threads
180
Messages
1K
Complete dash wiring harness for my 89 Silverado
Today at 9:25 AM
Erik the Awful
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Sticky
The Stupid Electronics Questions Thread
Mike
Dec 3, 2009
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11
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Adding AUX to 88-94 Stock Stereo
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Apr 25, 2018
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DerekTheGreat
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How To Put LEDs in Moonie Gauges
1badgmc
Jan 22, 2011
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145
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82K
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Adding AUX Input to OBS Stock Radio
capricefrk013
Dec 9, 2009
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4
5
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41
Views
59K
Mar 8, 2023
cjpett
Sticky
4 Hi Headlight Mod
Ginger
Dec 4, 2009
59
60
61
Replies
606
Views
387K
Jan 3, 2023
Onizukachan
D
Sticky
How to stop LED Fast Flash info
Devs93
Jul 17, 2011
6
7
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75
Views
46K
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someotherguy
Sticky
How to modify the 95+ Warning Chime Module, plus other info.
thunderstruck
Feb 19, 2014
Replies
9
Views
38K
Aug 3, 2022
FrankieD61
Sticky
GMT400 projector retrofitting
GMT400Tahoe
Sep 15, 2017
2
3
4
Replies
31
Views
39K
Mar 17, 2022
2drXmobb
Sticky
Installing a Remote Start, Alarm, or Keyless Entry?
CodyB
Dec 16, 2009
7
8
9
Replies
81
Views
92K
Jun 20, 2020
Wh4t3v3rs
Sticky
Automotive Wiring Info
capricefrk013
Dec 3, 2009
2
Replies
13
Views
16K
Jun 3, 2020
df2x4
Sticky
WRITEUP: GM Remote MOD
TruckinAin4Sissies
Sep 1, 2011
7
8
9
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85
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60K
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kenh
Sticky
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Sep 5, 2013
4
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53
Views
45K
Oct 20, 2019
RMFSK1500
Sticky
How To: Install HID 's & HID Lighting Explained
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Feb 26, 2012
3
4
5
Replies
43
Views
36K
Dec 1, 2017
Slime
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
29K
Jul 5, 2017
skobuffs
S
Acquiring Arteb Brazil GMT400 headlight reflectors
1998_K1500_Sub
Feb 13, 2019
30
31
32
Replies
316
Views
47K
Today at 6:26 PM
Minn95Dually
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9
Grounding/Instrument Panel Question
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Jul 17, 2023
Replies
7
Views
583
Today at 4:17 PM
97Blue
9
L
TCC unlock wire
Leeztruk
Jul 28, 2021
2
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11
Views
2K
Today at 11:08 AM
Leeztruk
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Tail light wiring
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Yesterday at 6:57 PM
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3
Views
74
Today at 9:44 AM
Erik the Awful
O
Airbags Sensors
Outintheheartland92
Feb 4, 2023
Replies
3
Views
676
Today at 9:29 AM
Coothethird
C
V
Speedometer revs with tach sort of
VictoryRed
Saturday at 11:25 AM
Replies
4
Views
127
Today at 6:46 AM
DerekTheGreat
A
Power Ports
alpinecrick
Yesterday at 2:28 PM
2
Replies
14
Views
275
Today at 12:42 AM
351FUN
4
How I fixed my trip odometer
4thesporty
Mar 15, 2014
Replies
1
Views
8K
Yesterday at 11:03 PM
caminonut
1991 C 1500 odometer trip reset
caminonut
Yesterday at 6:16 PM
Replies
2
Views
80
Yesterday at 10:59 PM
caminonut
Arteb Brazil GMT400 headlight users thread
1998_K1500_Sub
Feb 4, 2022
10
11
12
Replies
115
Views
18K
Yesterday at 6:03 PM
pressureangle
M
Tried So Many Things But No A/C in 1999 GMC Sierra K1500 Classic
marvin5881
Jul 20, 2023
2
Replies
15
Views
891
Yesterday at 10:52 AM
LovesDunes
J
Backlighting for Climate Control and 4X4 shifter always on
johnsonmtz
Jun 5, 2023
Replies
8
Views
470
Saturday at 9:06 PM
GoToGuy
HVAC Actuators: Do Them All Proactively
CTX-SLPR
Aug 31, 2023
Replies
2
Views
209
Saturday at 6:34 PM
AK49BWL
Windshield wiper wiring
KRS1
Aug 20, 2020
Replies
6
Views
7K
Saturday at 3:47 PM
AK49BWL
A
Fog light switch
Alligot
Aug 3, 2023
Replies
4
Views
232
Saturday at 1:34 AM
2drXmobb
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