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I have installed an aftermarket stereo into my 2011 crown vic LX and everything still works but the dash illumination behind the climate control and steering wheel controls stopped working. I'm stumped. I looked at the fuses and they look good. I even plugged in the stock stereo again and that won't light up either. Its as if something shorted out that's specifically for dash illumination. However instrument cluster and window control lights are still working.
 

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I would double check the fuses in the different fuse box locations as there are quite a few that seem to be tied in , related or are feeds to your faults .Either that or you may have knocked a wire , plug connection off whilst installing the set .

Fuse Layout Ford Crown Victoria 2003-2011



2007, 2008, 2009, 2010, 2011
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Instrument Panel
Instrument panel fuse box diagram: Ford Crown Victoria (2007, 2008, 2009, 2010, 2011)


Assignment of the fuses in the instrument panel (2007-2011)
Ampere RatingDescription
110AIgnition (START) - Starter relay coil, DTRS
27.5APower mirrors, Door lock switches, Mirror switch, Keypad switch, Decklid switch, DDM (Driver’s door module), Cluster
35AIgnition (START) - Audio mute, Police PDB (Police vehicles only)
410ALCM (switch illumination), Autolamp sensor
57.5AIgnition (ON/ACC) - LCM
67.5ALCM
710AIgnition (ON/ACC) - Wiper module
810AElectronic Automatic Temperature Control (EATC) module (vehicles equipped with EATC only)
97.5AIgnition (ON/ACC) - Door lock switch illumination, Heated seat switch illumination, Moon roof, Overhead console, Radio, Antenna, Electrochromatic mirror, Window relay coil (non-Police vehicles only), Window and decklid relay coil and Police ON/ACC relay coil (Police vehicles only)
1015A or 20AHazards (non-Police vehicles - 15A; Police vehicles - 20A)
1115AIgnition (ON) - Turn signals
1215AAudio
1310A2007-2008: Ignition (ON) - Anti-lock Brake System (ABS) module, Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS), Cluster;

2009-2011: Ignition (ON) - Rear Air Suspension Module (RASM), Cluster
1415ATaxi, Adjustable pedals
1510AIgnition (ON) - EATC module, A/C mode switch (vehicles equipped with manual A/C only), A/C blower relay coil
1620A2007-2008: Cigar lighter, OBD II;
2009-2011: OBD II
1710AIgnition (ON) - A/C mode switch (vehicles equipped with manual A/C), Blend door, Heated seat modules, BTSI (Floor-shift transmission)
1815ALighting control module (interior lighting)
1910ALCM (Left-hand low beam)
2010A2007-2008: Ignition (ON/START) - Back-up lamps;

2009-2011: Ignition (ON/START) - Back-up lamps, Anti-lock Brake system (ABS)
2110ALCM (Right-hand low beam)
2210AIgnition (ON/START) - Restraint Control Module (RCM), Occupant Classification Sensor (OCS), Passenger Airbag Deactivation Indicator (PADI)
2315AMulti-function switch (Flash-to-pass), LCM (High beams)
2410AIgnition (ON/START) - Passive Anti-Theft System (PATS) module, Powertrain Control Module (PCM) relay coil, Fuel relay coil, Ignition coil relay coil
2515A2007-2009: LCM (Park lamps, license lamps);

2010-2011: LCM (Park lamps, corner lamps, license lamps)
2610A2007-2008: Ignition (ON/START) - Cluster, LCM, Overdrive cancel switch;

2009-2011: Ignition (ON/START) - Cluster, LCM, Overdrive cancel switch, Traction control switch
27Not used
287.5ABrake signal, LCM (brake transmission shift interlock), ABS
292AHazard in (Police vehicles only)
302ABatteiy saver (Police vehicles only)
315AKey in (LCM)
322AHazard out (Police vehicles only)
3310A2007-2008: Ignition (ON/START), Fire suppression module (if equipped) (Police vehicles only);

2009-2011: Fire suppression module (if equipped) (Police vehicles only)
Relay 1Full ISO relayWindow relay, Decklid (Police vehicles only)
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Engine Compartment
Under-hood fuse box diagram: Ford Crown Victoria (2007, 2008, 2009, 2010, 2011)


Assignment of the fuses and relays in the engine compartment (2007-2011)
Ampere RatingDescription
130AIgnition switch
220AMoon roof, Spot lights (Police vehicles only)
310APowertrain Control Module (PCM) keep alive power, Canister vent
420AFuel relay feed
510ARear Air Suspension Module (RASM), VAPS module
615AAlternator regulator
730APCM relay feed
820ADriver’s Door Module (DDM)
915AIgnition coil relay feed
1020AHorn relay feed
1115AA/C clutch relay feed
1220A or 25AAudio (Subwoofer) (20A);
Tray lamps (Police vehicles only) (25A)
1320AInstrument panel power point
1420AStop lamp switch
1515APolice accessory battery feed 1 (Police vehicles only)
1620AHeated seats, Police accessory battery feed 2 (Police vehicles only)
1710A2007: Not used;
2008-2011: Commercial R/A
1810A2007: Not used;
2008-2011: Commercial R/A
1915AInjectors
2015APCM
2115APowertrain loads and sensors
2220APolice PDB outputs (Police vehicles only)
2320APolice PDB outputs (Police vehicles only)
2410AHeated mirrors, Rear defrost indicator
10140ABlower relay feed
10250ACooling fan
10350AInstrument panel (I/P) fuse box feed #1, I/P fuses 10, 12, 14, 16 and 18
10450AInstrument panel (I/P) fuse box feed #2, I/P fuses 2, 4, 6, 8, 19, 21, 23 and 25
10530AStarter relay feed
10640AAnti-lock Brake System (ABS) module (Pump)
10740ARear defroster relay feed
10820APolice accessory battery feed 3 (Police vehicles only), Cigar lighter (Non-police vehicles only, 2009-2011)
10920AABS module (Valves)
11030AWiper module
11150APolice PDB or Police accessoiy battery feed (Police vehicles only)
11230A or 40ANon-Police vehicles (30A): Air suspension compressor;
Police vehicles (40A): Police PDB relay feed
11350APolice light bar or Police right-hand kick panel accessory battery feed (Police vehicles only)
11450APolice PDB or Police accessoiy battery feed (Police vehicles only)
11550ARear power point or Police right-hand kick panel accessory battery feed (Police vehicles only)
11650A2007-2009: Police accessory battery feed (Police vehicles only);
2010-2011: Not Used
11750A2007-2009: Police PDB or Police accessoiy battery feed (Police vehicles only);
2010-2011: Not Used
11850ARear power point or Police right-hand kick panel accessory battery feed (Police vehicles only)
2011/2 ISO relayA/C clutch
202Not used
2031/2 ISO relayIgnition coil
2041/2 ISO relayPCM
205Not used
2061/2 ISO relayFuel
207Not used
208Not used
2091/2 ISO relayHorn
301Full ISO relayStarter
302Full ISO relayNon-Police vehicles: Air compressor;
Police vehicles: RUN/ACC relay
303Full ISO relayBlower
304Full ISO relayRear defrost relay
501Diode2007-2009: A/C clutch;
2010-2011: Not Used
502DiodePCM
503Diode2007: Horn, Door latch;
2008-2011: Not used
60120A Circuit breakerPower seats, Lumbar, Decklid (Police vehicles only)
60220A Circuit breakerNon-Police vehicles: RUN/ACC relay (windows);
Police vehicles: RUN/ACC relay feed (windows and decklid)
 

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Discussion Starter #3
I'm going to look again one more time but I'm not really good with wiring issues. May have a shop investigate the issue
 

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I wanted a radio with Bluetooth so I got aftermarket radio kit with speakers . After installing it I found out my cruise control and steering wheel controls for the radio is not working. So I think not all aftermarket radio work. They can fit in but not all have 100% compatible with your wire connections. Some have come with additional adaptors.
 

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Discussion Starter #5
I would double check the fuses in the different fuse box locations as there are quite a few that seem to be tied in , related or are feeds to your faults .Either that or you may have knocked a wire , plug connection off whilst installing the set .

Fuse Layout Ford Crown Victoria 2003-2011



2007, 2008, 2009, 2010, 2011
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Instrument Panel
Instrument panel fuse box diagram: Ford Crown Victoria (2007, 2008, 2009, 2010, 2011)


Assignment of the fuses in the instrument panel (2007-2011)
Ampere RatingDescription
110AIgnition (START) - Starter relay coil, DTRS
27.5APower mirrors, Door lock switches, Mirror switch, Keypad switch, Decklid switch, DDM (Driver’s door module), Cluster
35AIgnition (START) - Audio mute, Police PDB (Police vehicles only)
410ALCM (switch illumination), Autolamp sensor
57.5AIgnition (ON/ACC) - LCM
67.5ALCM
710AIgnition (ON/ACC) - Wiper module
810AElectronic Automatic Temperature Control (EATC) module (vehicles equipped with EATC only)
97.5AIgnition (ON/ACC) - Door lock switch illumination, Heated seat switch illumination, Moon roof, Overhead console, Radio, Antenna, Electrochromatic mirror, Window relay coil (non-Police vehicles only), Window and decklid relay coil and Police ON/ACC relay coil (Police vehicles only)
1015A or 20AHazards (non-Police vehicles - 15A; Police vehicles - 20A)
1115AIgnition (ON) - Turn signals
1215AAudio
1310A2007-2008: Ignition (ON) - Anti-lock Brake System (ABS) module, Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS), Cluster;

2009-2011: Ignition (ON) - Rear Air Suspension Module (RASM), Cluster
1415ATaxi, Adjustable pedals
1510AIgnition (ON) - EATC module, A/C mode switch (vehicles equipped with manual A/C only), A/C blower relay coil
1620A2007-2008: Cigar lighter, OBD II;
2009-2011: OBD II
1710AIgnition (ON) - A/C mode switch (vehicles equipped with manual A/C), Blend door, Heated seat modules, BTSI (Floor-shift transmission)
1815ALighting control module (interior lighting)
1910ALCM (Left-hand low beam)
2010A2007-2008: Ignition (ON/START) - Back-up lamps;

2009-2011: Ignition (ON/START) - Back-up lamps, Anti-lock Brake system (ABS)
2110ALCM (Right-hand low beam)
2210AIgnition (ON/START) - Restraint Control Module (RCM), Occupant Classification Sensor (OCS), Passenger Airbag Deactivation Indicator (PADI)
2315AMulti-function switch (Flash-to-pass), LCM (High beams)
2410AIgnition (ON/START) - Passive Anti-Theft System (PATS) module, Powertrain Control Module (PCM) relay coil, Fuel relay coil, Ignition coil relay coil
2515A2007-2009: LCM (Park lamps, license lamps);

2010-2011: LCM (Park lamps, corner lamps, license lamps)
2610A2007-2008: Ignition (ON/START) - Cluster, LCM, Overdrive cancel switch;

2009-2011: Ignition (ON/START) - Cluster, LCM, Overdrive cancel switch, Traction control switch
27Not used
287.5ABrake signal, LCM (brake transmission shift interlock), ABS
292AHazard in (Police vehicles only)
302ABatteiy saver (Police vehicles only)
315AKey in (LCM)
322AHazard out (Police vehicles only)
3310A2007-2008: Ignition (ON/START), Fire suppression module (if equipped) (Police vehicles only);

2009-2011: Fire suppression module (if equipped) (Police vehicles only)
Relay 1Full ISO relayWindow relay, Decklid (Police vehicles only)
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Engine Compartment
Under-hood fuse box diagram: Ford Crown Victoria (2007, 2008, 2009, 2010, 2011)


Assignment of the fuses and relays in the engine compartment (2007-2011)
Ampere RatingDescription
130AIgnition switch
220AMoon roof, Spot lights (Police vehicles only)
310APowertrain Control Module (PCM) keep alive power, Canister vent
420AFuel relay feed
510ARear Air Suspension Module (RASM), VAPS module
615AAlternator regulator
730APCM relay feed
820ADriver’s Door Module (DDM)
915AIgnition coil relay feed
1020AHorn relay feed
1115AA/C clutch relay feed
1220A or 25AAudio (Subwoofer) (20A);
Tray lamps (Police vehicles only) (25A)
1320AInstrument panel power point
1420AStop lamp switch
1515APolice accessory battery feed 1 (Police vehicles only)
1620AHeated seats, Police accessory battery feed 2 (Police vehicles only)
1710A2007: Not used;
2008-2011: Commercial R/A
1810A2007: Not used;
2008-2011: Commercial R/A
1915AInjectors
2015APCM
2115APowertrain loads and sensors
2220APolice PDB outputs (Police vehicles only)
2320APolice PDB outputs (Police vehicles only)
2410AHeated mirrors, Rear defrost indicator
10140ABlower relay feed
10250ACooling fan
10350AInstrument panel (I/P) fuse box feed #1, I/P fuses 10, 12, 14, 16 and 18
10450AInstrument panel (I/P) fuse box feed #2, I/P fuses 2, 4, 6, 8, 19, 21, 23 and 25
10530AStarter relay feed
10640AAnti-lock Brake System (ABS) module (Pump)
10740ARear defroster relay feed
10820APolice accessory battery feed 3 (Police vehicles only), Cigar lighter (Non-police vehicles only, 2009-2011)
10920AABS module (Valves)
11030AWiper module
11150APolice PDB or Police accessoiy battery feed (Police vehicles only)
11230A or 40ANon-Police vehicles (30A): Air suspension compressor;
Police vehicles (40A): Police PDB relay feed
11350APolice light bar or Police right-hand kick panel accessory battery feed (Police vehicles only)
11450APolice PDB or Police accessoiy battery feed (Police vehicles only)
11550ARear power point or Police right-hand kick panel accessory battery feed (Police vehicles only)
11650A2007-2009: Police accessory battery feed (Police vehicles only);
2010-2011: Not Used
11750A2007-2009: Police PDB or Police accessoiy battery feed (Police vehicles only);
2010-2011: Not Used
11850ARear power point or Police right-hand kick panel accessory battery feed (Police vehicles only)
2011/2 ISO relayA/C clutch
202Not used
2031/2 ISO relayIgnition coil
2041/2 ISO relayPCM
205Not used
2061/2 ISO relayFuel
207Not used
208Not used
2091/2 ISO relayHorn
301Full ISO relayStarter
302Full ISO relayNon-Police vehicles: Air compressor;
Police vehicles: RUN/ACC relay
303Full ISO relayBlower
304Full ISO relayRear defrost relay
501Diode2007-2009: A/C clutch;
2010-2011: Not Used
502DiodePCM
503Diode2007: Horn, Door latch;
2008-2011: Not used
60120A Circuit breakerPower seats, Lumbar, Decklid (Police vehicles only)
60220A Circuit breakerNon-Police vehicles: RUN/ACC relay (windows);
Police vehicles: RUN/ACC relay feed (windows and decklid)
I have a question. Fuses are all fine and it's suspected that because I didn't tape off the orange (dimmer) wire because the new radio doesn't use it that it shorted out. Do you think that replacing the headlight switch would fix my problem? I really hope there isn't some junction box somewhere in the dash.
 
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