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
Erik the Awful
Complete dash wiring harness for my 89 Silverado
Mike
  • Sticky
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86 87 88
Replies
876
Views
169K
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PlayingWithTBI
someotherguy
  • Sticky
Recalibrating 1988-1991 speedometer / dash cluster
2
Replies
14
Views
2K
Vettepilot
V
Hodges87
  • Sticky
96-98 Vortec Alternator Upgrade AD244
17 18 19
Replies
186
Views
233K
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MOBS
mjleg
  • Sticky
How to Replace Blower Motor Resistor
5 6 7
Replies
69
Views
51K
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HotWheelsBurban
ChrisAU
  • Sticky
HOW TO: Fix Bouncy/Hummingbird Fuel Gauge Needle
11 12 13
Replies
129
Views
162K
Hoplite
Hoplite
Triplel40
  • Sticky
Adding AUX to 88-94 Stock Stereo
5 6 7
Replies
68
Views
40K
DerekTheGreat
DerekTheGreat
1badgmc
  • Sticky
How To Put LEDs in Moonie Gauges
13 14 15
Replies
145
Views
82K
PlayingWithTBI
PlayingWithTBI
capricefrk013
  • Sticky
Adding AUX Input to OBS Stock Radio
3 4 5
Replies
41
Views
59K
cjpett
cjpett
Ginger
  • Sticky
4 Hi Headlight Mod
59 60 61
Replies
606
Views
387K
Onizukachan
Onizukachan
D
  • Sticky
How to stop LED Fast Flash info
6 7 8
Replies
75
Views
46K
someotherguy
someotherguy
thunderstruck
  • Sticky
How to modify the 95+ Warning Chime Module, plus other info.
Replies
9
Views
38K
FrankieD61
FrankieD61
GMT400Tahoe
  • Sticky
GMT400 projector retrofitting
2 3 4
Replies
31
Views
39K
2drXmobb
2drXmobb
CodyB
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Installing a Remote Start, Alarm, or Keyless Entry?
7 8 9
Replies
81
Views
92K
Wh4t3v3rs
Wh4t3v3rs
capricefrk013
  • Sticky
Automotive Wiring Info
2
Replies
13
Views
16K
df2x4
df2x4
TruckinAin4Sissies
  • Sticky
WRITEUP: GM Remote MOD
7 8 9
Replies
85
Views
60K
kenh
kenh
Mike
  • Sticky
30" LED Bar Install + Pics
4 5 6
Replies
53
Views
45K
RMFSK1500
RMFSK1500
Mean Green
  • Sticky
How To: Install HID 's & HID Lighting Explained
3 4 5
Replies
43
Views
36K
Slime
Slime
T DOG
  • Sticky
How to: Install the PAC AAI-GM9 aux input interface into a GM truck
2 3
Replies
21
Views
29K
skobuffs
S
1998_K1500_Sub
Acquiring Arteb Brazil GMT400 headlight reflectors
30 31 32
Replies
316
Views
47K
Minn95Dually
M
9
Grounding/Instrument Panel Question
Replies
7
Views
583
97Blue
9
L
TCC unlock wire
2
Replies
11
Views
2K
Leeztruk
L
Dylan88
Tail light wiring
Replies
3
Views
74
Erik the Awful
Erik the Awful
O
Airbags Sensors
Replies
3
Views
676
Coothethird
C
V
Speedometer revs with tach sort of
Replies
4
Views
127
DerekTheGreat
DerekTheGreat
A
Power Ports
2
Replies
14
Views
275
351FUN
351FUN
4
How I fixed my trip odometer
Replies
1
Views
8K
caminonut
caminonut
caminonut
1991 C 1500 odometer trip reset
Replies
2
Views
80
caminonut
caminonut
1998_K1500_Sub
Arteb Brazil GMT400 headlight users thread
10 11 12
Replies
115
Views
18K
pressureangle
pressureangle
M
Tried So Many Things But No A/C in 1999 GMC Sierra K1500 Classic
2
Replies
15
Views
891
LovesDunes
LovesDunes
J
Backlighting for Climate Control and 4X4 shifter always on
Replies
8
Views
470
GoToGuy
GoToGuy
CTX-SLPR
HVAC Actuators: Do Them All Proactively
Replies
2
Views
209
AK49BWL
AK49BWL
KRS1
Windshield wiper wiring
Replies
6
Views
7K
AK49BWL
AK49BWL
A
Fog light switch
Replies
4
Views
232
2drXmobb
2drXmobb
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