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Distributor cap/spark plugs

Model: 9112.7, Year:1974, Mileage:110 k, Type of use:Street use only
I know the firing order of the engine, but am unsure of where the new plugs would connect to the distributor cap. Runs rough so I may have crossed 2 wires.

oil temperature gauge short?

Model: 911S, Year:1977, Mileage:150000, Type of use:Street use only

horns not woking

Model: 911sc, Year:1979, Mileage:80.000, Type of use:Street use only
when i bought my car it had some funky horns i new were not original,finally i found a good set of original horns installed them worked perfect for about a week,then they just quit,checked horn relay seems to be good,What could be my problem?


Model: 911S, Year:1977, Mileage:170000, Type of use:Street use only
It's a 1977S coupe upgraded to a 3.0 litre in 2004. Runs / starts great, body still true a tight with 170,000 miles. On recent drives the engine suddenly stalls. The car is fully warmed up, in gear and running and the engine just cuts out and will not re-start (just cranks and cranks). If I wait an hour she will start right up again. The problem is not intermittant, on my last three drives the engine stalled after reaching temp...but started up again when allowed to cool.

coil resistor

Model: 911S, Year:1977, Mileage:120000, Type of use:Street use only
I just installed a Pertronix igintor ignition, which works great. I also purchased the Flame Thrower coil with goes with that model ignitor )not ignitor II).The instruction say if there is a resistor attach to the coil to by pass it, since the their coil has a built in resistor.I have no idea were the restistor is located. I feel my car has a resistor because when I installed the Pertronix coil, the car did not run very well. When I replaced the stock coil everything ran great.

push button starter switch

Model: 911S, Year:1977, Mileage:120000, Type of use:Street use only
I wish to add a momentary push button to start the engine because the key ignition start is starting to fail. Can I just tap between the yellow (50) and black (30) wires coming from the back of the ignition?Voltage has been checked to the starter and solenoid and voltage is fine. All grounds and connectors have been cleaned. What amp rating should the switch be?

windshield wpiers

Model: 911SC, Year:1981, Mileage:87,000, Type of use:Street use only

Parking lights

Model: 911 cab, Year:1986, Mileage:36200, Type of use:Street use only
My passenger side front and rear parking light are out. The bulbs are good, switched to other side to test. Fuse seems solid. Any other suggestions


Model: 911SC, Year:1983, Mileage:90,000, Type of use:Street use only
where to look next, the tach was rebuilt but I have no power to it. fuses look good. I may have cross wired something when I replace fuse block.

horn button

Model: 911SC, Year:1982, Mileage:124,00, Type of use:Street use only
Hi. I bought a Momo steering wheel w/a Porsche horn button. The manuals (I have a Bentley and a Haynes) say to disconnect the - battery terminal before pulling the wheel but the Momo directions say to disconnect the +. I would've thought the + but which is it? Thanks-Ken


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