General Electrical Forum

cdnpont · cdnpont

From the Fisher Body 1969 Manual. But I'm pretty certain it actually covers back to at least 66, perhaps earlier?

cdnpont · cdnpont

I'm thinking the Electrical section is kind of light on reference material, so I'll try to add what I can. wouldn't it be nice to have something like this over on CT? I can only image the amount of work this took. Anyone know how you produce and store this kind of PDF type document to link to? Kind of wonky, s...

cdnpont · cdnpont

Even with a dead simple fuseblock like the 65-66 B body, it can be sometimes a little perplexing as to how and what the fuses actually feed, the power paths, and how they are actually fed. You can't really see what's going on unless you have the block off and can see the back. While the 65-66 chassis manual...

cdnpont · cdnpont

Having a little bit of trouble with my column switch, the little switch assembly is really fussy. To help troubleshoot I decided to actually figure out how that little mystery switch works, and what is what. Seeing as it's a hit and miss on the web, I created a diagram for us showing how the contact pins a...

cdnpont · cdnpont

Does anyone make replacement fuse contact terminals for the 60's style block? Mine are in tough shape. Rusted up pretty good, probably beyond redemption. No point in messing around with bad contacts at this point. The block is out now, so time to make it right. I think I have a 69 B Block that has very goo...

cdnpont · cdnpont

Bored without the cars around and with not much going on, I thought I'd finally get around to actually opening the big box containing a set of power window regulators, motors, plugs and some wires for a 69 B Body. I'd got them from Carl last year when I'd bought the 69. And as far as I'm concerned, all conve...

cdnpont · cdnpont

Pretty much every car guy is unaware they are actually carrying a tester on them.... https://www.youtube.com/shorts/2EJU_UQFhmw

4SPEED427 · 4SPEED427

I found this switch in my box of brake light switches but can't recall what it came from. Anyone recognize it? It works opposite of a brake switch, compressed it completes the circuit.

cdnpont · cdnpont

New sender in the 67. Gauge reads empty ign on, tank near full. Unplugging it in the trunk (sender feed), the gauge quickly swings up and way past the full mark. What's up? Any ideas?

cdnpont · cdnpont

Got the Grande out of storage today. Fired right up. No dash lights... Headlamps, running lamps and interior lamps are good. Switch or fuse? Hopefully fuse. I don't think this is an easy switch to obtain as it has a integrated vacuum switch for the lamp doors.

cdnpont · cdnpont

...do you lose current to the alternator field, and then have a dead alternator? Or... do most GM's of our era have a secondary resistance wire run parallel to the idiot bulb for just that scenario? Never would have given this a second thought until lately, and the wiring diagram does not describe it ve...

cdnpont · cdnpont

As I was really looking for better charging at idle than the original 10DN could deliver, I finally got around to installing the CS130D alternator I got from Carl last year. The CS130D is able to deliver 100 amps at idle. While a 10 or 12SI internally regulated alternator would be a good choice as well, I...

a421cat · a421cat

Looking for diagnostic info, schematics, troubleshooting info for 62-64 Pontiac dash mounted tachs used on Canadian and American B bodies.

hsebastian · hsebastian

My car is undergoing a full resto right now and I have collected the clock and radio, hoping to find someone who knows how to refurbish/restore them. After visiting the electronics, electrical and auto shops at my local technical college I tried several clock and watch repair shops and nobody wants t...

cdnpont · cdnpont

Question; Can a Delco Remy style 12Si internally regulated alternator allow the back be moved or "clocked" into 4 different positions? I'd really like to do a 94 amp internal style on the 69, and rather than look for the right clocking, can I just buy one and turn it myself? Are they the same as a 10Si in th...

DonSSDD · DonSSDD

How do the cold and hot light 2 post sensors work? From what I can find out, it is 2 sensors combined in 1. What Im wondering is, I assume the hot side will work alone if I only connect the wire from the sensor hot side post. But can I use the wire for the cold side light to be my GEN light for my alternator which re...

66 Beau · 66 Beau

Were Canadian Pontiacs ever positive ground? If so, when did they switched to negative ground? I found this comment on-line, but I suspect it is US based, and maybe not applicable to Canada? GM went to 12 volt negative ground in 1953 for the new Buick V8's, Cadillac, and Oldsmobile V8's. Chev and Po...

classic · classic

I have a mid 80's GM with a antennae in the windshield. The car has an after market Sparkomatic AM FM casette radio. The casette works fine, the AM barely works and the FM doesn't. I am suspicious the antennae is not working. I have removed the radio from the car and have checked the wiring and all is corr...

cdnpont · cdnpont

On the 69 Parisienne Convertible, the top motor switch is fed through a connector attached to the Bat aux connector on the fuse block. 20 amp. This push on pigtail connector also feeds the underdash courtesy lamps. Question: Why is the top motor not fed from the 30 amp firewall circuit breaker, like il...

horder · horder

My 66 uses an MSD Ready to Run distributor (no box). I run a stock small cap to keep it looking original. My coil started to leak oil so I bought a new black MSD Blaster 2 coil. Once installed my vintage Sun SST 802 R tach would read way too high at idle. I switched it to a stock type coil and the tach works perfec...

Topic		Started By	Replies	Views	Last Post
	STICKY: 69 B Body power window wiring diagram. (Preview) From the Fisher Body 1969 Manual. But I'm pretty certain it actually covers back to at least 66, perhaps earlier?	cdnpont	1	140	November 9th by 4SPEED427
	STICKY: 1965 CP B Body wiring diagram, moved (Preview) I'm thinking the Electrical section is kind of light on reference material, so I'll try to add what I can. wouldn't it be nice to have something like this over on CT? I can only image the amount of work this took. Anyone know how you produce and store this kind of PDF type document to link to? Kind of wonky, s...	cdnpont	0	1652	Jan 11, 2022 by cdnpont
	STICKY: 1965/66 B body Fuseblock Detail moved (Preview) Even with a dead simple fuseblock like the 65-66 B body, it can be sometimes a little perplexing as to how and what the fuses actually feed, the power paths, and how they are actually fed. You can't really see what's going on unless you have the block off and can see the back. While the 65-66 chassis manual...	cdnpont	8	1889	Jan 10, 2022 by cdnpont
	STICKY: 65-68? Column signal switch and harness diagram. moved (Preview) Having a little bit of trouble with my column switch, the little switch assembly is really fussy. To help troubleshoot I decided to actually figure out how that little mystery switch works, and what is what. Seeing as it's a hit and miss on the web, I created a diagram for us showing how the contact pins a...	cdnpont	5	2086	Oct 18, 2020 by cdnpont
	STICKY: 65 B Body fuseblock. Questions and rusted terminal repair by electrolysis. ( 1 2 ) moved (Preview) Does anyone make replacement fuse contact terminals for the 60's style block? Mine are in tough shape. Rusted up pretty good, probably beyond redemption. No point in messing around with bad contacts at this point. The block is out now, so time to make it right. I think I have a 69 B Block that has very goo...	cdnpont	30	7068	Apr 17, 2020 by cdnpont
	65-70 Delco Power window motor. Clean and lube. Moved to new site (Preview) Bored without the cars around and with not much going on, I thought I'd finally get around to actually opening the big box containing a set of power window regulators, motors, plugs and some wires for a 69 B Body. I'd got them from Carl last year when I'd bought the 69. And as far as I'm concerned, all conve...	cdnpont	21	526	December 4th by cdnpont
	Use your mobile phone as a fuse tester? No way... moved (Preview) Pretty much every car guy is unaware they are actually carrying a tester on them.... https://www.youtube.com/shorts/2EJU_UQFhmw	cdnpont	2	252	October 24th by timbuk
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Anyone recognize this switch? (Preview) I found this switch in my box of brake light switches but can't recall what it came from. Anyone recognize it? It works opposite of a brake switch, compressed it completes the circuit.	4SPEED427	10	334	October 6th by 4SPEED427
	Fuel gauge/sender. Quick diagnosis please. (Preview) New sender in the 67. Gauge reads empty ign on, tank near full. Unplugging it in the trunk (sender feed), the gauge quickly swings up and way past the full mark. What's up? Any ideas?	cdnpont	5	827	May 29, 2024 by seventy2plus2
	67 Grande. No dashlights. (Preview) Got the Grande out of storage today. Fired right up. No dash lights... Headlamps, running lamps and interior lamps are good. Switch or fuse? Hopefully fuse. I don't think this is an easy switch to obtain as it has a integrated vacuum switch for the lamp doors.	cdnpont	12	619	May 18, 2024 by beaucarlo
	If your "Alt" idiot light bulb was to burn out on your 69... (Preview) ...do you lose current to the alternator field, and then have a dead alternator? Or... do most GM's of our era have a secondary resistance wire run parallel to the idiot bulb for just that scenario? Never would have given this a second thought until lately, and the wiring diagram does not describe it ve...	cdnpont	12	1163	Apr 15, 2024 by cdnpont
	Installed a CS130D alternator in my 69 Parisienne. moved (Preview) As I was really looking for better charging at idle than the original 10DN could deliver, I finally got around to installing the CS130D alternator I got from Carl last year. The CS130D is able to deliver 100 amps at idle. While a 10 or 12SI internally regulated alternator would be a good choice as well, I...	cdnpont	8	792	Apr 14, 2024 by cdnpont
	1962-64 Pontiac Tach (Preview) Looking for diagnostic info, schematics, troubleshooting info for 62-64 Pontiac dash mounted tachs used on Canadian and American B bodies.	a421cat	6	757	Mar 25, 2024 by a421cat
	1969 Beaumont Deluxe Clock (Preview) My car is undergoing a full resto right now and I have collected the clock and radio, hoping to find someone who knows how to refurbish/restore them. After visiting the electronics, electrical and auto shops at my local technical college I tried several clock and watch repair shops and nobody wants t...	hsebastian	6	617	Mar 10, 2024 by seventy2plus2
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Alternator clocking questions. (Preview) Question; Can a Delco Remy style 12Si internally regulated alternator allow the back be moved or "clocked" into 4 different positions? I'd really like to do a 94 amp internal style on the 69, and rather than look for the right clocking, can I just buy one and turn it myself? Are they the same as a 10Si in th...	cdnpont	2	1228	Sep 22, 2023 by cdnpont
	Temperature sensor 2 post type question (Preview) How do the cold and hot light 2 post sensors work? From what I can find out, it is 2 sensors combined in 1. What Im wondering is, I assume the hot side will work alone if I only connect the wire from the sensor hot side post. But can I use the wire for the cold side light to be my GEN light for my alternator which re...	DonSSDD	11	1102	Sep 14, 2023 by 67Poncho
	What year did GM Canada switch to negative ground? (Preview) Were Canadian Pontiacs ever positive ground? If so, when did they switched to negative ground? I found this comment on-line, but I suspect it is US based, and maybe not applicable to Canada? GM went to 12 volt negative ground in 1953 for the new Buick V8's, Cadillac, and Oldsmobile V8's. Chev and Po...	66 Beau	6	1187	Sep 6, 2023 by 67Poncho
	radio antennae (Preview) I have a mid 80's GM with a antennae in the windshield. The car has an after market Sparkomatic AM FM casette radio. The casette works fine, the AM barely works and the FM doesn't. I am suspicious the antennae is not working. I have removed the radio from the car and have checked the wiring and all is corr...	classic	10	2656	Sep 5, 2023 by Greaser
	1969 Power top. Electrical question (Preview) On the 69 Parisienne Convertible, the top motor switch is fed through a connector attached to the Bat aux connector on the fuse block. 20 amp. This push on pigtail connector also feeds the underdash courtesy lamps. Question: Why is the top motor not fed from the 30 amp firewall circuit breaker, like il...	cdnpont	11	1210	Aug 27, 2023 by seventy2plus2
	MSD Blaster 2 Coil - Tach Issue (Preview) My 66 uses an MSD Ready to Run distributor (no box). I run a stock small cap to keep it looking original. My coil started to leak oil so I bought a new black MSD Blaster 2 coil. Once installed my vintage Sun SST 802 R tach would read way too high at idle. I switched it to a stock type coil and the tach works perfec...	horder	4	1666	May 28, 2023 by horder
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