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Joined: Sep 2007
Posts: 87
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Sep 2007
Posts: 87 |
I am having trouble with the lighting/ignition switch on my '25 Touring. When I turn on my ignition switch, the ammeter goes to discharge. When I turn on the PARK lights, the drivers park light comes on but not the passenger side---tail light comes on. Ammeter barely moves to discharge. When I turn switch to ON or DIM only the tail light comes on. Test light says I have power to headlights and passenger park light. Battery ground is tight, and battery is charged. What am I missing? Relay problems on generator? Coil? I am stumped.
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Joined: Nov 2001
Posts: 29,863
Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
Joined: Nov 2001
Posts: 29,863 |
From your description it sounds like the vehicle is not running when you made the tests. You could have possible burned out bulbs on the passenger park light and the headlights or a bad ground on the passenger park light socket and the headlight sockets. With the ignition switch on and with any of the lights on, when the vehicle is not running the amp meter should show a discharge because it has current draw.   
The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Your problem could be the wiring or the switch, or the switch is bad. Is the center keyed and is it for the ignition? Do you have an Owner's Manual or the Service Manual for the 1925? The circuits are labeled on the back side of the correct ignition/lighting switch. The circuit diagram is located in the back of the above manuals. Both are available for a reasonable price in reprint. If you can't get your system working give me a PM.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Sep 2007
Posts: 87
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Sep 2007
Posts: 87 |
Thanks Skip and Ray for responding. It turns out that my problem was grounding. I figured it was probably that since my tester said I had power to the lights. Chasing electrical glitches can be so much fun.
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Joined: Nov 2001
Posts: 29,863
Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
Joined: Nov 2001
Posts: 29,863 |
The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Jan 2006
Posts: 7,046 Likes: 107
Hall Monitor ChatMaster - 7,000
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Hall Monitor ChatMaster - 7,000
Joined: Jan 2006
Posts: 7,046 Likes: 107 |
Chasing electrical glitches can be so much fun. Electricity makes my head hurt. 
VCCA Member 43216
Save a life, adopt a senior shelter pet.
1938 HB Business Coupe
1953 210 Sedan
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Makes me all tingly!
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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