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Join Date: Dec 2002
Location: St. Petersburg, Florida
Posts: 1,990
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Narrowed down my short/bad ground
Ok, the following do not work or only work occasionally
interior light cargo light underhood light door switches(for light) horn These are all in the exact same sector of the haynes wiring diagram...?? I have no stereo installed at the moment. This is my first thought, an uncapped wire. Any ideas on how I should seek this one out. Seems it should be easy considering they are all so close.  I figure it must be a ground but what is the most likely?
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83 944 white w/Boxster wheels Planned mods- custom leather interior, 968 antenna, soundsystem, 968 style rockers, clear sidemarkers
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08-16-2003, 08:06 PM
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I would check the contacts on Fuse 7 for the lights, make sure not loose ,etc. They don't have the same ground, but have this in common.
For the horn, check contact in horn button & ground, check fuse 9 contacts, the relay, & ground near left head light. drew1
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drew1 wife has 924 turbo |
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08-17-2003, 09:39 AM
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There is a brown ground wire on the steering rack for the horn. These corrode bad and require cleaning and possible replacement.
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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08-17-2003, 09:55 AM
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Location: St. Petersburg, Florida
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Can ONE bad ground in a series such as this cause the "whole shootin match" to foul up. If that is the case, I have a couple of culprits.
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83 944 white w/Boxster wheels Planned mods- custom leather interior, 968 antenna, soundsystem, 968 style rockers, clear sidemarkers
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08-17-2003, 07:33 PM
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Location: SW FL
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One bad ground can cause a host of problems. I have been trying to find my own problem. All these stopped working at the same time:
AC Blower (was able to rig the relay to get it working) windows power mirrors wipers This problem is a PITA and I'm about to take it to a shop!
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'86 Guards NA 70K- driving 11yrs '98 Techno-Violet M3 57K- since 4/04 '55 MiG-15 UTI - Mach.97 -rebuilding '58 Cessna 175 w/GO-300 '98 Scarab Sprint, 4.3V, 62mph '92 Guards 968 (my girlfriend's) Gone... '82 Camaro Z28 1st car '84 VW Rabbit Cabrio & GTI '77 BMW 630 4spd sport bilstiens '84 POS Cavalier- drove to junk yard |
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08-18-2003, 07:00 AM
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I haven't tracked down my dome light problem yet either....
My door pinswitches seem to work fine, due to the nasty sounding buzzer I get when the key is in the ignition and I open the door. But the dome light stays illuminated when set to the 'door' position. Dunno if my rear cargo light works, didn't even notice it had one. My hood light does work luckily.
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Jack 86 Red 951 - Turbo Twists, otherwise stock for now 83 Black 944 w/86 951 front end - still down and out, but coming back slowly. 02 Altima SE 3.5 - grocery go-getter 00 Yellow Ducati Monster 900i.e. 88 Chrysler Conquest TSi |
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08-18-2003, 07:03 AM
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You probably have seen those terminals kind of spot welded to the body, this is a ground point & a bad one can mess up everything on it.
drew1
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drew1 wife has 924 turbo |
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08-18-2003, 05:05 PM
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1983 Porsche 944 2.5 liter
