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Factory Service Manual Sections
Group 1 - Electrical
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1A - Starting and Charging System
5.5K
1.5M
1
Feb 16, 2024
Sub-forums
Charging System Modifications
5.5K
1.5M
Feb 16, 2024
1A-2 Alternative Alternator Mounting
148
36.3K
Nov 3, 2020
148
36.3K
Nov 3, 2020
1B - Ignition System
6.6K
2M
1d ago
6.6K
2M
1d ago
1C - Lighting and Signal Systems
4.3K
999K
5d ago
4.3K
999K
5d ago
1D - Wiring Diagrams
1K
371K
Jan 15, 2024
1K
371K
Jan 15, 2024
1E - Other Electrical/Gauges/Instrument Panel
6.2K
1.6M
Mar 7, 2024
6.2K
1.6M
Mar 7, 2024
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Sticky
Re-Wiring an Opel GT with a Universal Wiring Harness
GoinManta
Jun 25, 2013
2
3
44
26K
Oct 7, 2019
by
GoinManta
Sticky
New Members- Please Read
Gary
Mar 12, 2005
Locked
0
4K
Mar 12, 2005
by
Gary
Wiring Harness Repair and Replacement
Mordullo
Feb 15, 2024
2
41
2K
Feb 24, 2024
by
ubernoob51
Battery Type
csalles
Feb 10, 2024
14
982
Feb 17, 2024
by
terrylewisac
M
Fusible Link Replacement
Michael A. Smith
Oct 17, 2023
11
953
Nov 17, 2023
by
Lindsay
Rewiring an Opel GT: Any Tips?
Mordullo
Oct 11, 2023
13
1K
Oct 13, 2023
by
Mordullo
Ignition issues
krewzer
Sep 2, 2023
20
1K
Sep 4, 2023
by
kwilford
Gordo Wires the GTX - Aaaggghhh!
The Scifi Guy
Apr 17, 2015
4
5
6
195
23K
Aug 31, 2023
by
The Scifi Guy
L
MSD Relays
Lindsay
Jul 9, 2023
1
632
Jul 9, 2023
by
The Scifi Guy
Adding fuse block and devices
JaysPA
Jan 16, 2023
12
1K
Jan 17, 2023
by
The Scifi Guy
Always Check the ground - turned the key/switch no power - check the ground - check the positive cable as well and work your way from there
Will I. Finish
Dec 29, 2022
4
1K
Dec 30, 2022
by
Lil Red GT
Wanted - Used Bosch Solenoid - for 1970 Opel GT - would prefer to keep original starter
Will I. Finish
Nov 30, 2022
15
1K
Dec 4, 2022
by
Will I. Finish
What would cause a single spark at the battery when first connected....only a single spark
jrapose
Nov 5, 2022
18
1K
Nov 10, 2022
by
4g63opelgt
Stock harness connectors
mmoleswl
May 24, 2015
15
3K
Sep 30, 2022
by
Autoholic
P
What's the Gap between the Pertronix Toroidal magnet & the igniter plate pickup?
paul.catherine
Jun 1, 2016
9
12K
Jul 6, 2022
by
The Scifi Guy
License Plate Lights Wiring Help Needed
scrapman
Jan 8, 2006
10
3K
Mar 21, 2022
by
soybean (R.I.P.)
Head light bulb replace options LED vs Halogen - GT
Will I. Finish
Dec 1, 2021
33
5K
Jan 8, 2022
by
Will I. Finish
Steering Column wiring with kwik wire harness
Arm20213
Dec 19, 2021
5
2K
Dec 20, 2021
by
Arm20213
How to Remove Receptacles from Connectors?
Autoholic
Nov 14, 2021
31
4K
Nov 17, 2021
by
ard674t
New 4 way flasher from OGTS - regular flash on one side and fast on the other side - looks good in the cockpit - Bulb Wattage apperars to be a factor
Will I. Finish
Jul 26, 2021
5
2K
Jul 28, 2021
by
Will I. Finish
Have a 12 circuit aftermarket fuse box
tealcarver
Dec 9, 2020
8
3K
Dec 17, 2020
by
tealcarver
Buzzes when I hook up the last 3 fuzes
jrapose
Nov 15, 2020
17
3K
Nov 20, 2020
by
terrylewisac
I have heard of gauge indicator needles moving when hitting the brake pedal but what about the clutch pedal????
Will I. Finish
Oct 30, 2020
4
2K
Nov 5, 2020
by
Will I. Finish
Speedometer - clicking noise
Will I. Finish
Aug 16, 2020
6
2K
Aug 21, 2020
by
Will I. Finish
Re-Wiring an Opel GT w/ a Universal Wiring Harness (Comments Thread)
pherrley
Jun 25, 2013
2
3
4
115
21K
May 24, 2020
by
kwschumm
Electrical power loss
Acofficer
May 8, 2020
12
1K
May 15, 2020
by
Acofficer
Stumped - power almost everywhere
Will I. Finish
Feb 15, 2020
12
2K
Feb 19, 2020
by
GoldGT
Tachometer
Will I. Finish
Feb 16, 2020
1
1K
Feb 16, 2020
by
Knorm65
C
best place to wire new automatic choke and electric fuel pump
chrislynn5
Oct 17, 2019
6
2K
Oct 19, 2019
by
chrislynn5
6
Kadett Steering Column Harness Connectors
63A
Sep 25, 2019
6
1K
Sep 26, 2019
by
63A
Sealing Harness At Firewall
Ooooner
Jun 10, 2019
17
4K
Jun 12, 2019
by
FZ09
C
No electricity/power AT ALL! HELPPP
cady53
Jun 7, 2014
8
4K
May 17, 2019
by
Will I. Finish
Fuses
pfj
Feb 7, 2019
13
2K
Mar 2, 2019
by
slracer
B
Wiring Harness Replacement
boomhwr
Jan 21, 2019
13
5K
Jan 25, 2019
by
heliman
P
EEeelectrical Issue
Paul M
Jan 6, 2019
6
1K
Jan 6, 2019
by
Paul M
L
1970 GT Almost All Of Dash Not Working... Common Point To Check?
Ltripp
Sep 12, 2018
12
4K
Sep 27, 2018
by
andrewmlojo
L
GT Battery relocation
LynnB
Oct 31, 2017
22
6K
Mar 28, 2018
by
Michael A. Smith
1
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Group 1 - Electrical
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Battery, Starting System, Ignition System, Washers and Wipers, Lighting Systems, Signal Systems, Instrument Panel, Gauges, Wiring Diagrams
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