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Electronics
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
276
Messages
1.7K
Threads
276
Messages
1.7K
F
!997 C-3500 headlights
Friday at 6:55 AM
FTWEnterprizes
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Sticky
The Stupid Electronics Questions Thread
Mike
Dec 3, 2009
101
102
103
Replies
1K
Views
222K
Jan 8, 2025
91OGobs
9
Sticky
4 Hi Headlight Mod
Ginger
Dec 4, 2009
61
62
63
Replies
621
Views
441K
Dec 3, 2024
Kevmore007
T
Sticky
How to modify the 95+ Warning Chime Module, plus other info.
thunderstruck
Feb 19, 2014
2
Replies
18
Views
46K
Nov 23, 2024
H2obio
H
Sticky
GMT400 projector retrofitting
GMT400Tahoe
Sep 15, 2017
2
3
4
Replies
32
Views
47K
Nov 17, 2024
The Beast OBS
Sticky
Adding AUX to 88-94 Stock Stereo
Triplel40
Apr 25, 2018
6
7
8
Replies
76
Views
54K
Nov 14, 2024
AK49BWL
Sticky
96-98 Vortec Alternator Upgrade AD244
Hodges87
Dec 14, 2009
18
19
20
Replies
190
Views
261K
Sep 26, 2024
AuroraGirl
Sticky
Recalibrating 1988-1991 speedometer / dash cluster
someotherguy
May 31, 2023
2
Replies
17
Views
11K
Aug 12, 2024
cc333
C
Sticky
Installing a Remote Start, Alarm, or Keyless Entry?
CodyB
Dec 16, 2009
7
8
9
Replies
82
Views
104K
May 13, 2024
jus10inbrla
Sticky
How To: Install HID 's & HID Lighting Explained
Mean Green
Feb 26, 2012
3
4
5
Replies
44
Views
41K
Feb 29, 2024
your mom
Y
D
Sticky
How to stop LED Fast Flash info
Devs93
Jul 17, 2011
6
7
8
Replies
77
Views
56K
Feb 5, 2024
jeremytn86
Sticky
How to Replace Blower Motor Resistor
mjleg
Apr 25, 2010
5
6
7
Replies
69
Views
62K
Jul 17, 2023
HotWheelsBurban
Sticky
HOW TO: Fix Bouncy/Hummingbird Fuel Gauge Needle
ChrisAU
Dec 10, 2012
11
12
13
Replies
129
Views
183K
May 19, 2023
Hoplite
Sticky
How To Put LEDs in Moonie Gauges
1badgmc
Jan 22, 2011
13
14
15
Replies
145
Views
92K
Mar 16, 2023
PlayingWithTBI
Sticky
Automotive Wiring Info
capricefrk013
Dec 3, 2009
2
Replies
13
Views
19K
Jun 3, 2020
df2x4
Sticky
WRITEUP: GM Remote MOD
TruckinAin4Sissies
Sep 1, 2011
7
8
9
Replies
85
Views
68K
May 27, 2020
kenh
Sticky
30" LED Bar Install + Pics
Mike
Sep 5, 2013
4
5
6
Replies
53
Views
50K
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
32K
Jul 5, 2017
skobuffs
S
9
1990 gmc 2500 instrument cluster on and off ?
90k250035
Yesterday at 7:13 PM
Replies
6
Views
96
Today at 9:16 PM
90k250035
9
S
All windows work from driver side master switch, but not from any of the other window switches - SOLVED
sneakingfart
Monday at 11:30 AM
Replies
7
Views
226
Today at 6:36 PM
sneakingfart
S
Whacko Wipers On My '97 K3500
wirlybird
Aug 26, 2022
2
Replies
16
Views
3K
Today at 2:47 PM
wirlybird
A
No cab lights, no crank, no life
Aaronjpenrose
Yesterday at 9:54 PM
Replies
3
Views
102
Today at 2:01 PM
smokymtn65
1992 Factory CD Player
Lance 1992
May 13, 2024
2
Replies
19
Views
2K
Today at 11:47 AM
someotherguy
C
4wd switch flashing with turn signals
Chris253
Monday at 1:06 AM
Replies
4
Views
78
Yesterday at 9:05 PM
AK49BWL
S
Can a Tech II Write to the BCM/Security Module?
Supercharged111
Yesterday at 8:41 AM
Replies
9
Views
153
Yesterday at 8:20 PM
Caman96
[SOLVED!] In-Cab Voltage dropping issue
89k25004x4
Sunday at 7:38 PM
2
3
Replies
28
Views
635
Yesterday at 8:03 PM
89k25004x4
A problem ive never had...
drifterwanb666
Jan 4, 2025
2
3
Replies
21
Views
1K
Monday at 10:01 PM
GMCTRUCKS
G
92-94 Gauge Cluster Swap
98chevy2500SS
Oct 5, 2017
2
3
4
Replies
36
Views
36K
Monday at 8:58 PM
murphy455
M
J
No dash lights
Josephburke2708
Dec 31, 2024
2
Replies
14
Views
384
Monday at 2:55 PM
bc-chris
Keyless entry to remote start?
Faded_blue_obs
Monday at 1:48 PM
Replies
1
Views
71
Monday at 2:34 PM
Caman96
O
92 Silverado 4x4 Cruise Control Signal
OBSESSIONOBS
Feb 22, 2024
2
Replies
13
Views
2K
Monday at 4:00 AM
91OGobs
9
1995-99 GMT400 Gauge Cluster Bulb Sizes
Curt
Nov 1, 2018
2
Replies
15
Views
39K
Sunday at 9:13 PM
My96
M
We put apple carplay in our 99 Suburban with factory parts and no cutting!
reversion_raceworks
Apr 5, 2024
2
3
Replies
22
Views
3K
Sunday at 8:10 PM
reversion_raceworks
1
2
3
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