84 Buick Regal wiring diagram

Gbodylife

Not-quite-so-new-guy
Mar 30, 2022
14
1
I need a wiring diagram for a 1984 regal with a v6. I sbc swapped it but never labeled the wires on the main harness.
 

350Regal

Not-quite-so-new-guy
Feb 23, 2022
42
18
I think this book is seen better days hopefully this is what you're looking for. Josh
 

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Metzger82

Not-quite-so-new-guy
Dec 15, 2021
47
18
NW Ohio
I think this book is seen better days hopefully this is what you're looking for. Josh
From experience I can say because I'm still learning, the Haynes manuals are one of the greatest things for cars especially when you're learning. It's a great investment!
 

64nailhead

Goat Herder
Supporting Member
Dec 1, 2014
4,827
113
Upstate NY
What are you trying to wire? I.e. tell us about your new motor in terms what it has.
The wiring is relay quite similar on all G-bodies and most of the wire colors are the same across the brands (note - 'most')
Are you installing a carb'd SBC with an electric choke and Cheby HEI? Do you have a dash with gauges for coolant temp, oil pressure, volts or does your dash have idiot lights only? Are using A/C and what alternator are you using?
 

Gbodylife

Not-quite-so-new-guy
Thread starter
Mar 30, 2022
14
1
What are you trying to wire? I.e. tell us about your new motor in terms what it has.
The wiring is relay quite similar on all G-bodies and most of the wire colors are the same across the brands (note - 'most')
Are you installing a carb'd SBC with an electric choke and Cheby HEI? Do you have a dash with gauges for coolant temp, oil pressure, volts or does your dash have idiot lights only? Are using A/C and what alternator are you using?
This is pretty much what I’m dealing with a harness with a few plugs and the rest were cut
 

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64nailhead

Goat Herder
Supporting Member
Dec 1, 2014
4,827
113
Upstate NY
Yup, pretty much the same as all G’s. The two 10-12 gauge red wires got the starter battery post with a fusible link or fuse in line - they power everything inside the car. The 10-12 gauge purple wire goes to the starter solenoid - it triggers the starter to crank the engine. The pink wire with the in the left picture is the dizzy power that is hit in run and crank. In the seconds pic the lady gauge pink or red wire is the charge wire for the alternator. The rest are sensor/switch wires that are easy to determine their use if you need them.

You need to know what you have for an alternator and whether you have a gauge or idiot light. And same goes for oil pressure.
 
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Gbodylife

Not-quite-so-new-guy
Thread starter
Mar 30, 2022
14
1
Yup, pretty much the same as all G’s. The two 10-12 gauge red wires got the starter battery post with a fusible link or fuse in line - they power everything inside the car. The 10-12 gauge purple wire goes to the starter solenoid - it triggers the starter to crank the engine. The pink wire with the in the left picture is the dizzy power that is hit in run and crank. In the seconds pic the lady gauge pink or red wire is the charge wire for the alternator. The rest are sensor/switch wires that are easy to determine their use if you need them.

You need to know what you have for an alternator and whether you have a gauge or idiot light. And same goes for oil pressure.
Alright so I should be good to grab an online fuse wire the two red wires into the fuse and run that to positive battery terminal? And the pink wire with white plug is dist ? Which plug is other plug for dizzy (tach) brown? And I’ll check on the gauge and stuff shortly when get to shop
 

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