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post #1 of 7 (permalink) Old 04-06-2019, 03:57 AM Thread Starter
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Is there a way to hot wire using the 3 wires on the back of the ignition switch?
I’ve lost my keys, fortunately the ignition lock doesn’t work

72 2L GT Junior 73 2000 Spider. 2004 Alfa Romeo GT 3.2 V6.
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post #2 of 7 (permalink) Old 04-06-2019, 09:15 AM
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Originally Posted by 105 junior View Post
Is there a way to hot wire....
I’ve lost my keys......
yeah that's what they all say!!

Couldn't tell you myself having never hot wired a car, but this might help:

I notice you are in Aus....if you do find your key, then for goodness sake photograph it both sides ....Australia just happens to have one of the best classic car key shops anywhere I know (keys4classics), and they can cut your key from a photo.
But of course they can't do much without a key or a photo, unless you have the code somewhere(?)...except sell you a correct blank, which your local keysmith could cut if you remove the switch for him

Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.

Last edited by spiderserie4; 04-06-2019 at 10:16 AM. Reason: added some info
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post #3 of 7 (permalink) Old 04-06-2019, 10:01 AM
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Hot wire

The electrics in my ignition switch failed years ago and I replaced it with a toggle switch and push button for starting. Push button is cool since I can crank up some oil pressure for a few seconds before switching on ignition. Steering lock remains functional as well as “key in ignition” warning.

Only downside has been occasionally forgetting to unlock steering, but the passive reminder is fully automatic .


Steve Waclo Carson City, NV; '87 Spider QV, ES Champion, 2018 Reno SCCA (125k);'93 Honda Nighthawk 750 (105k);'03 GMC Sierra SLE 2500HD Turbo Diesel (155k);'08 Altima Coupe 3.5SE, 6sp (125k)
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post #4 of 7 (permalink) Old 04-06-2019, 12:37 PM
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I think you could run a jumper wire with +12V from the Junction box (left wheel well in engine compartment on my car) to your coil and then push start the car on compression couldn't you?

'88 Quad - "Claudia"
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post #5 of 7 (permalink) Old 04-06-2019, 03:50 PM
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Not sure if you're stuck in the wilderness somewhere, but t really won't cost much to get a locksmith to make a key to suit your lock.
Cheaper if you can remove the lock and get it to them, of course, but there are also mobile locksmiths out there.
A second hand lock may be the go, since your steering lock is buggered, but then you'll have different door and ignition keys...
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post #6 of 7 (permalink) Old 04-07-2019, 03:13 PM
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Ignition and door keys are different anyway

1972 105 GT Veloce 2000
1976 2L Spider
1984 GTV 6 3 litre
1967 GSGT 2 litre
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post #7 of 7 (permalink) Old 04-07-2019, 03:51 PM
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Oops! I think I knew that...:-)
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