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> Simple Anti-Theft Switch, Wiring suggestions
FlatSix
post Mar 14 2022, 09:42 AM
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So I want to install a switch hidden under the dash to stop the engine starting.
Having done a search, the black/purple wire going to the tachometer seemed a likely candidate to break the circuit. However, when I disconnected it from the tach, the car would still start!
Which wire should I use?
The engine is a 1973 2.0 four cylinder with fuel injection.
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FlatSix   Simple Anti-Theft Switch   Mar 14 2022, 09:42 AM
Shivers   RE: Simple Anti-Theft Switch   Mar 14 2022, 09:55 AM
GregAmy   However, when I disconnected it from the tach, the...   Mar 14 2022, 10:25 AM
jvmarino   An easy anti-theft method is to pull the coil wire...   Mar 14 2022, 10:31 AM
FlatSix   Thanks. I'm really looking for a solution that...   Mar 14 2022, 10:41 AM
GregAmy   What are the implications of grounding the black/...   Mar 14 2022, 10:51 AM
Superhawk996   What are the implications of grounding the black...   Mar 14 2022, 12:54 PM
mepstein   Years ago I had my shop wire a cut off switch into...   Mar 14 2022, 10:45 AM
914e   In the US just being a manual transmission is anti...   Mar 14 2022, 10:56 AM
wonkipop   In the US just being a manual transmission is ant...   Mar 15 2022, 07:16 PM
ClayPerrine   If the car is injected, then just put in a switch ...   Mar 14 2022, 11:34 AM
porschetub   If the car is injected, then just put in a switch...   Mar 15 2022, 01:41 PM
vitamin914   I have a switch for the fuel pump and auxiliary oi...   Mar 14 2022, 12:19 PM
Chris914n6   Problem is all the important wires are in the engi...   Mar 14 2022, 12:25 PM
jhynesrockmtn   When I bought my 1970 the yellow switch was a bit ...   Mar 15 2022, 08:43 AM
jrmdir   Hi: There are some good ideas here and perhaps th...   Mar 15 2022, 10:20 AM
GregAmy   I'm a seriously KISS guy. And one issue with y...   Mar 15 2022, 10:31 AM
Superhawk996   My recommendation is to design something that f...   Mar 15 2022, 10:54 AM
Superhawk996   You may want to rethink that relay plan. The ign...   Mar 15 2022, 10:50 AM
mmichalik   I know you wanted a simple solution but, the Bluet...   Mar 15 2022, 10:56 AM
roblav1   I did the fuel pump switch thing on mine... about...   Mar 15 2022, 11:52 AM
emerygt350   I simply bought a chalon. Problem solved.   Mar 15 2022, 12:27 PM
Superhawk996   I simply bought a chalon. Problem solved. :lo...   Mar 15 2022, 06:22 PM
Maltese Falcon   I simply bought a chalon. Problem solved. Don...   Mar 15 2022, 09:27 PM
wonkipop   I simply bought a chalon. Problem solved. Don...   Mar 16 2022, 03:09 AM
GregAmy   I know the OP doesn't want to pop open the lid...   Mar 15 2022, 01:58 PM
vitamin914   The OP is from Poole, England. Yes, here (North A...   Mar 15 2022, 06:16 PM
GeorgeKopf   I wonder if there is something like this for older...   Mar 15 2022, 07:03 PM
Unobtanium-inc   Best anti-theft I ever saw was my brother hooked u...   Mar 15 2022, 07:05 PM
windforfun   Move to a safer neighborhood & park your car i...   Mar 15 2022, 07:20 PM
r_towle   I am more worried about totally forgetting I did a...   Mar 15 2022, 07:24 PM
bkrantz   Get one of these?   Mar 15 2022, 09:18 PM
VegasRacer   Not really stealth, but it's what I have. :ph...   Mar 15 2022, 11:05 PM
emerygt350   Truthfully, the chalon only protects me from uppit...   Mar 16 2022, 05:11 AM
emerygt350   Examples You can probably find one that has a ...   Mar 16 2022, 05:14 AM
mate914   Go get one of those 123Dizzy's with bluetooth,...   Mar 16 2022, 06:27 AM
emerygt350   The bluetooth looks good but I have had way too ma...   Mar 16 2022, 07:36 AM
barefoot   I added an under the dash cut-off switch for the f...   Mar 16 2022, 08:37 AM
FlatSix   Some really interesting suggestions here, thank yo...   Mar 16 2022, 08:53 AM
ClayPerrine   Some really interesting suggestions here, thank y...   Mar 16 2022, 12:03 PM
willieg   I use a battery cutoff switch with a removable han...   Mar 16 2022, 12:48 PM


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