Second ignition switch failed? |
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Second ignition switch failed? |
Sprout |
Aug 12 2019, 01:28 PM
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#1
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Member Group: Members Posts: 125 Joined: 5-October 18 From: Kansas City Member No.: 22,544 Region Association: Upper MidWest |
A little guidance, please...I've replaced the ignition switch in my '73 1.7 FI twice now with Meistersatz parts, and the car is dead again. Has only been started a couple dozen times between these two switches. When I turn the key, I have lights on the dash and can hear the fuel pump engage, but the engine does not crank. Battery is at 12.5 and just installed a reman Bosch starter/solenoid. It can be push-started.
From what I've read the switches seem to fail fairly often, but only starting the car a dozen times per switch seems pretty ridiculous. Are the genuine Porsche switches that much better? Do you think I could have something shorting out the switch? The 914 key is the only thing on my keyring, so I know it's not an extra weight problem. When it's running, it runs great! |
framos914 |
Aug 12 2019, 02:45 PM
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#2
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Member Group: Members Posts: 125 Joined: 15-May 14 From: Corona California Member No.: 17,353 Region Association: Southern California |
Had same problem, went through a few switches. Problem turned out to be an intermittent short on the fuel pump wire, had a bare spot that would sometimes rub against metal. Found it when it completely shorted out, not sure why the fuse didn't go before that.
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