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Voltage regular change/poor drivability

Vehicle Information: Year: 1983; Body Type: Coupe;

I changed the voltage regular in my 1983 911SC to resolve a headlight/instrument panel surge condition. It was good for awhile (40+ miles) but now it it's driving bad. Bad stumble, on verge of bucking. Idle is ok, but soon as any load is put on the motor, things go sour. Any comments will be greatly appreciated.

Wiring for Rev limiter/Speed Switch

Vehicle Information: Year: 1981; Body Type: Coupe;

I have an RSR project with an 81 shell. My engine is a 78 3.0. In the wiring diagram for the 78 and 81 there is a component called an RPM limiter (speed Switch). I am unsure of what this compoenent looks like and what the part number is. I cant seem t locate it in any of the manuals i have nor in the PET. please assist in a picture or a location of a picture and a part number so I may get one.If i decide not to install the switch what are the ramifications. Thanks...Tito

Headlight Switch

Vehicle Information: Year: 1979; Body Type: Coupe;

I just replaced the headlight swith and routed everything the same as old switch. Now no flasher and smoking switch??? Is there any information that shows what wires go to what on the switch? The hanes book is in a diagram that is hard for me to figure out, I think I need pictures, LOL! please help. I can't turn on headlights without the switch smoking.

ignition switch

Vehicle Information: Year: 1974; Body Type: Coupe;

Hi,I have a 74 911 coupe with an ignition issue. When inserted, the key is able to rotate to the first two positions, but not the third. Can't seem to feel the spring load of the third position. Do you think I should replace the electrical, mechanical or both? thanks,Peter

1979 Head light switch diagram

Vehicle Information: Year: 1979; Body Type: Coupe;

I had a burn out on the blue and black wire coming from the headlight switch. It smoked pretty bad and melted the sheild.There is a brown wire hanging with a black capsule on the same switch.?? Where does it go and did this cause the burn up? I am ready to replace the wires,but I need to know where they go. My manual is a little confusing.Is there a better diagram out there. Please help.

Battery Type

Vehicle Information: Year: 1977; Body Type: Coupe;

I am a new member of PCA and first time Porshe owner. I need to know for my 1977 911S (stock) what battery do you suggest? Cold Cranking Amps should be? I purchased an Interstate Battery from NAPA but it is a small battery (7548?) with only 690 cold cranking Amps. I am thinking it may be too small.

winshield wipers

Vehicle Information: Year: 1974; Body Type: Coupe;


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