If folks want to address other electrical weak points in these cars..here's a list 1. Install headlight relays 2. Install 7.5 Amp fuse on front blower 3. Install 10 Amp fuse on AC blower in smuggler's box 4. Install 10 Amp fuses on each of the footwell blowers 5. Install 3 Amp fuse on engine bay light 6. Install 3 Amp fuse for dash lighting (this video)
Thanks for putting this video out. Any improvements we can do to keep these cars safe is welcomed. Amazing that this switch is only available from Porsche. So expensive.
add an inline fuse for the windshield wiper motor, the motor is unfused when it is goes to park, if the motor jams it can burn up the wiring. I replaced the entire dash wiring harness on a 1976 912E.
Does anyone here know where the "3rd" bk/blue wire on terminal 58a ultimately goes? In this video it goes to a white connector and on up - but where it goes is not viewable. My car has this short wire with the connector, but it is hanging loose not connected to anything. I could not find any other unattached wire in the area - with the opposite terminal connector or without. Before I put everything back together it would be nice to know if I need to find the other side or if my car may just not have had that circuit. BTW, getting the switch out may not always be easy. As the video mentions, it is sometimes a problem getting the knob off of the switch. It can also be really hard to loosen the plastic retaining "nut" underneath the switch knob. This part is the black plastic piece that holds the switch in the dash. I tried several different tools and finally had to knock it loose with a hammer and a punch. Luckily it didn't break. Also my car is a Euro targa with a locking frunk. There is an apparently immovable metal plate right underneath the light switch that makes it tough to get a grip on the switch from the backside. If you keep after it, you can find a way to drop the switch. There is just enough room. Hope this helps.
Thank you for a video that may save some old 911's from catching fire. The video was timely as I am now looking into my wiring also. In my review, it appears circuit K on the light switch may also be unfused as it feeds power to the ashtray light. Am I looking at the diagram correctly and should I add an inline fuse here as well as to 58a?
Its not clear to me what connector is being used to connect the 2 female connects (that originally went to the switch) to the wire that goes to the fuse. how is that done?
That switch terminal has a piggyback connector. It's a female spade connector with 2 male spades on it. Female side connects to the switch and 2 males go to the harness. There are several on that switch and through the car's wiring.
The fuse I bought had the connectors already crimped so just plug in and repair some shrink wrap. Worst case if you use an auto parts store fuse you'll need to crimp a spade on each end.
Tengo un Porsche 911 SC 3.0 año 1978 presenta una falla tarda para encender una vez que que está caliente acelera bien lo apago y prende sin ningun problema pero cuando lo pongo en marcha pasando unos 100 MTS empieza a falla de nuevo pierde aceleración y potencia
Honestamente yo empezaría revisando todo con una afinada desde el principio para eliminar lo obvio. Ajustar válvulas, el tiempo de ignición ,buscar fugas de vacio. Si siguen las síntomas entonces seguir con revisar las presiones de combustible y por último la mezcla de combustible.
Thank you for this video. Hope to see you in April at the Costa Mesa.Luftgekult hopefully I will recognize you to shake your hand for all your videos cause I’ve learned a lot from you. Thank you.🤙🏽🤙🏽🤙🏽🤙🏽 I will be able to make it to that show flying in from the big island around that timeframe
If folks want to address other electrical weak points in these cars..here's a list
1. Install headlight relays
2. Install 7.5 Amp fuse on front blower
3. Install 10 Amp fuse on AC blower in smuggler's box
4. Install 10 Amp fuses on each of the footwell blowers
5. Install 3 Amp fuse on engine bay light
6. Install 3 Amp fuse for dash lighting (this video)
Thanks for this.
Thanks for putting this video out. Any improvements we can do to keep these cars safe is welcomed. Amazing that this switch is only available from Porsche. So expensive.
Giving a bump, good job!
add an inline fuse for the windshield wiper motor, the motor is unfused when it is goes to park, if the motor jams it can burn up the wiring. I replaced the entire dash wiring harness on a 1976 912E.
58A 2A got it.
Does anyone here know where the "3rd" bk/blue wire on terminal 58a ultimately goes? In this video it goes to a white connector and on up - but where it goes is not viewable. My car has this short wire with the connector, but it is hanging loose not connected to anything. I could not find any other unattached wire in the area - with the opposite terminal connector or without.
Before I put everything back together it would be nice to know if I need to find the other side or if my car may just not have had that circuit.
BTW, getting the switch out may not always be easy. As the video mentions, it is sometimes a problem getting the knob off of the switch. It can also be really hard to loosen the plastic retaining "nut" underneath the switch knob. This part is the black plastic piece that holds the switch in the dash. I tried several different tools and finally had to knock it loose with a hammer and a punch. Luckily it didn't break.
Also my car is a Euro targa with a locking frunk. There is an apparently immovable metal plate right underneath the light switch that makes it tough to get a grip on the switch from the backside. If you keep after it, you can find a way to drop the switch. There is just enough room. Hope this helps.
Thank you for a video that may save some old 911's from catching fire. The video was timely as I am now looking into my wiring also. In my review, it appears circuit K on the light switch may also be unfused as it feeds power to the ashtray light. Am I looking at the diagram correctly and should I add an inline fuse here as well as to 58a?
I was thinking the same thing...
Great video, where did you get the shop wiring diagram? Having issues with my power mirrors so those diagrams would come in handy. Thank you
If you Google around you can find the entire workshop manual and wiring diagrams. Can't link it here for obvious reasons.
Its not clear to me what connector is being used to connect the 2 female connects (that originally went to the switch) to the wire that goes to the fuse. how is that done?
That switch terminal has a piggyback connector. It's a female spade connector with 2 male spades on it. Female side connects to the switch and 2 males go to the harness. There are several on that switch and through the car's wiring.
Did you have to crimp anything or just plug it in and heat shrink it?
The fuse I bought had the connectors already crimped so just plug in and repair some shrink wrap. Worst case if you use an auto parts store fuse you'll need to crimp a spade on each end.
perfect. i will order the one you got.@@JoeEngineer
Tengo un Porsche 911 SC 3.0 año 1978 presenta una falla tarda para encender una vez que que está caliente acelera bien lo apago y prende sin ningun problema pero cuando lo pongo en marcha pasando unos 100 MTS empieza a falla de nuevo pierde aceleración y potencia
Honestamente yo empezaría revisando todo con una afinada desde el principio para eliminar lo obvio. Ajustar válvulas, el tiempo de ignición ,buscar fugas de vacio. Si siguen las síntomas entonces seguir con revisar las presiones de combustible y por último la mezcla de combustible.
Thank you for this video. Hope to see you in April at the Costa Mesa.Luftgekult hopefully I will recognize you to shake your hand for all your videos cause I’ve learned a lot from you. Thank you.🤙🏽🤙🏽🤙🏽🤙🏽 I will be able to make it to that show flying in from the big island around that timeframe
Great video! I'll be doing this on my 1984 Targa soon. Are there any other unfused connections that should be addressed?
I think this is the most important one as it has the most subcomponents connected to it. I'm still looking into others.
@@JoeEngineer I’ve head that the fans are not fused, is that true?