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
148
Messages
858
Threads
148
Messages
858
GoToGuy
Another "what's this wire?" thread
Triplel40
  • Sticky
Adding AUX to 88-94 Stock Stereo
5 6 7
Replies
64
Views
34K
Goowah
G
Ginger
  • Sticky
4 Hi Headlight Mod
58 59 60
Replies
596
Views
360K
sewlow
sewlow
Mike
  • Sticky
The Stupid Electronics Questions Thread
79 80 81
Replies
800
Views
150K
HeavyAsAChevy
H
thunderstruck
  • Sticky
How to modify the 95+ Warning Chime Module, plus other info.
Replies
9
Views
35K
FrankieD61
FrankieD61
D
  • Sticky
How to stop LED Fast Flash info
5 6 7
Replies
66
Views
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Spareparts
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Hodges87
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96-98 Vortec Alternator Upgrade AD244
17 18 19
Replies
184
Views
219K
98 Nitro
98 Nitro
mjleg
  • Sticky
How to Replace Blower Motor Resistor
5 6 7
Replies
67
Views
47K
Eveready
Eveready
GMT400Tahoe
  • Sticky
GMT400 projector retrofitting
2 3 4
Replies
31
Views
35K
2drXmobb
2drXmobb
ChrisAU
  • Sticky
HOW TO: Fix Bouncy/Hummingbird Fuel Gauge Needle
11 12 13
Replies
125
Views
152K
cbertoglia
C
capricefrk013
  • Sticky
Adding AUX Input to OBS Stock Radio
3 4 5
Replies
40
Views
55K
Cadillac Bob
Cadillac Bob
CodyB
  • Sticky
Installing a Remote Start, Alarm, or Keyless Entry?
7 8 9
Replies
81
Views
87K
Wh4t3v3rs
Wh4t3v3rs
capricefrk013
  • Sticky
Automotive Wiring Info
2
Replies
13
Views
15K
df2x4
df2x4
TruckinAin4Sissies
  • Sticky
WRITEUP: GM Remote MOD
7 8 9
Replies
85
Views
57K
kenh
kenh
1badgmc
  • Sticky
How To Put LEDs in Moonie Gauges
13 14 15
Replies
142
Views
78K
Donald Mitchell
Donald Mitchell
Mike
  • Sticky
30" LED Bar Install + Pics
4 5 6
Replies
53
Views
44K
RMFSK1500
RMFSK1500
Mean Green
  • Sticky
How To: Install HID 's & HID Lighting Explained
3 4 5
Replies
43
Views
34K
Slime
Slime
T DOG
  • Sticky
How to: Install the PAC AAI-GM9 aux input interface into a GM truck
2 3
Replies
21
Views
28K
skobuffs
S
1998_K1500_Sub
Acquiring Arteb Brazil GMT400 headlight reflectors
26 27 28
Replies
274
Views
33K
1998_K1500_Sub
1998_K1500_Sub
AK49BWL
88-94 Factory Stereo Info
11 12 13
Replies
124
Views
41K
packer0440
packer0440
C
Flickering dash lights 2000 K2500
2
Replies
11
Views
316
clevy04
C
Cadillac Bob
Turn signal indicator light half way on?
Replies
8
Views
246
Orpedcrow
Orpedcrow
caw_86
A pillar tweeters
Replies
0
Views
89
caw_86
caw_86
Skolman91
Hvac headunit wont turn off
Replies
6
Views
275
Skolman91
Skolman91
loosh
88 Headlight switch wire colors (quick answer?)
Replies
2
Views
87
packer0440
packer0440
9812VDuslly
Short to Ground on 98 K3500 HL circuit pls help!
Replies
5
Views
180
JOHNGAAA1
J
Slime
HVAC Issues 1997 2500 Truck
Replies
2
Views
84
Donald Mitchell
Donald Mitchell
df2x4
'97 K1500 Suburban Cruise Control Issue
2 3
Replies
28
Views
805
someotherguy
someotherguy
1998_K1500_Sub
Arteb Brazil GMT400 headlight users thread
7 8 9
Replies
83
Views
10K
1998_K1500_Sub
1998_K1500_Sub
dudeinthepnw
(88-94) Wanted a new radio with factory looks and modern features, RetroSound installed!
2 3 4
Replies
38
Views
6K
Erin
Erin
6d8muscle
Turn off DRL's
2
Replies
14
Views
2K
Cadillac Bob
Cadillac Bob
BCChevyZ71
4-Hi Q's
Replies
1
Views
107
RichLo
R
Jim2029
Voltage gauge reacts to turn signals
Replies
3
Views
185
Orpedcrow
Orpedcrow
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