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Re: Map light only works with doors open???
[Re: Hoop]
#1407339
03/23/13 10:03 PM
03/23/13 10:03 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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as said either the socket side case of the bulb (if a single contact base) or one of the base contacts (if a dual contact base) bulb needs to be grounded at all times then you have simply power to the switch/thru it to the bulb. Not sure how the map light is connected to the dome light tho so I might be missing something
live every 24 hour block of time like it's your last day on earth
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Re: Map light only works with doors open???
[Re: RapidRobert]
#1407340
03/25/13 11:27 AM
03/25/13 11:27 AM
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Joined: Aug 2007
Posts: 6,100 Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,100
Valencia, España
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Since the dome light system and map light turns on via door Jam Switch, map light BULB must be isolated from Chassis ground.
Positive source to bulb in both ( dome and map ) is constant from batt
The Map light switch should provide the ground when dome light is turned off.
How it works ? switch must have two positions... one what closes the circuit with Dome light system alowing to turn on when Dome light lights up ( via dimmer wheeel or door switch ), and the other one what cuts this circuit and closes the circuit with chassis ground FEEDING the switch, not the bulb socket.
being this the truth, the map light bulb should be two contacts one filament just exactly like the 1004 dome light bulb
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Map light only works with doors open???
[Re: NachoRT74]
#1407341
03/25/13 11:43 AM
03/25/13 11:43 AM
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Joined: Aug 2007
Posts: 6,100 Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,100
Valencia, España
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this is how should work the Map light
( forgott to add on diagram, the yellow wire signal is of course negative )
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Map light only works with doors open???
[Re: Hoop]
#1407343
03/30/13 04:52 PM
03/30/13 04:52 PM
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Joined: Aug 2007
Posts: 6,100 Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,100
Valencia, España
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to support the ground strap deal... here is what I found on an ebay auction that would make the switch having just two prongs instead three however, this is also from an E body
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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