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Discussion Starter · #1 ·
So I recently bought a 2010 CVPI and my turn signals arent working. Whenever I try to use them the turn signal light on the dash doesn't light up and theres no clicking. I checked the fuse and it was burnt out so I replaced it and as soon as I hit my turn signal it flashed and then the fuse blew again. Im not sure if its a flash relay, multifunction switch, or (and hopefully not) a wiring issue. All other lights work fine and so do my wipers and high beams.
 

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Sounds like a short if it keeps blowing the fuse. You’ll have to break out the multimeter and do some wire tracing.


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You could check wiring at multi function switch for damage or breaks that are shorting . According to this there are more than the one fuses related to wipers .

Ford Crown Victoria (2003 – 2013) – fuse box diagram
Year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Passenger compartment fuse panel
2003 – 2004

Ford Crown Victoria - fuse box diagram - passenger compartmentFord Crown Victoria – fuse box diagram – passenger compartment (2003 – 2004)2005 – 2012
Ford Crown Victoria - fuse box diagram - passenger compartment (2005 - 2013)Ford Crown Victoria – fuse box diagram – passenger compartment (2005 – 2013)
Fuse/relayAmpere rating [A]Description
1152003-2004: Audio, CD changer
2005-2006: Taxi, Cluster, Lighting Control Module (Interior Lighting)
102007-2012: Ignition (START) – Starter relay coil, DTRS
252003-2004: Audio
102005-2006: Ignition (ON) – Electronic Automatic Temperature Control (EATC) module, A/C mode switch (vehicles equipped with EATC only), A/C blower relay coil
7,52007-2012: Power mirrors, Door lock switches, Mirror switch, Keypad switch, Decklid switch, DDM, Cluster
37,52003-2004: Mirrors
102005-2006:
EATC module (vehicles equipped with EATC only)
Audio (base audio system on vehicles not equipped with EATC)
52007-2012: Ignition (START) – Audio mute, Police power distribution box (PDB) (Police vehicles only)
4102003-2004: Air bags
2005-2006: Ignition (ON) – Anti-lock Brake System (ABS) module, Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS)
2007-2012: Lighting control module (LCM) (switch illumination), Autolamp sensor
5252003-2004: Package tray and rear flasher (Police vehicle options)
102005-2006: Speed control deactivation switch, Stop signal, Brake-Transmission Shift Interlock (BTSI) (column-shift transmission)
7,52007-2012: Ignition (ON/ACC) – LCM
6152003-2004: Instrument cluster warning lamps module, Overdrive control switch, Lighting Control Module (LCM), A/C clutch, Analog cluster
102005-2006: Ignition (ON) – Cluster
7,52007-2012: LCM
7102003-2004: Driver’s Door Module (DDM), Premium radio, Start input to police PDB (Police vehicle option)
2005-2006: LCM (Park lamps, Switch illumination)
2007-2012: Ignition (ON/ACC) – Wiper module
8252003-2004: Powertrain Control Module (PCM) power relay, Coil-on plugs, Radio noise capacitor, Passive Anti-Theft System (PATS)
102005: Ignition (ON) – Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS)
2006: LCM
2007-2012: Electronic automatic temperature control (EATC) module (vehicles equipped with EATC only)
952003-2004: Transmission range sensor
202005: LCM (Headlamps, Cornering lamps)
102006: LCM (Switch illumination)
7,52007-2012: Ignition (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)
10102003-2004: Rear window defrost, Heated mirrors
52005-2006: Ignition (ON/START) – Driver’s Door Module (DDM), Police PDB (Police vehicles only)
152007-2012: Hazards (non-Police vehicles only)
202007-2012: Hazards (Police vehicles only)
1152003-2004: Traction control indicator relay (ABS w/traction control only)
102005-2006:
Ignition (START) – ON/ACC (window) relay coil (non-Police vehicles only)
Ignition (START) – ON/ACC (window and decklid) relay coil and Police ON/ACC relay coil (Police vehicles only)
152007-2012: Ignition (ON) – Turn signals
12152003-2004: Multi-function switch for turn/hazard lamps
102005-2006: Ignition (ON/START) – Starter relay coil, DTRS
152007-2012: Audio
1352003-2004: Radio
102005-2006: Ignition (START) – Wiper module
2007-2012: Ignition (ON) – Anti-lock Brake System (ABS; 2007-2008) module, Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS; 2007-2008), Cluster
14102003-2004: Anti-lock Brake System (ABS), Instrument Cluster
2005-2006: Ignition (ON) – BTSI (Floor-shift transmission)
152007-2012: Taxi, Adjustable pedals
15152003-2004: Speed control module, Power relay coil (Police vehicle option), LCM, Clock, EATC blower motor relay, Door lock switch illumination, Heated seat switch, Moonroof
7,52005-2006: Ignition (START) – LCM, Door lock switch illumination, Heated seat switch illumination, Moonroof, Overhead console, Electrochromatic mirror
102007-2012: Ignition (ON) – EATC module, A/C mode switch (vehicles equipped with manual A/C only), A/C blower relay coil
16152003-2004: Reversing lamps, Shift lock, DRL module, VAP Steering, Electronic day/night mirror, Overhead console, Air suspension, 2005-2006: Climate control, Heated seat module, Speed chime module (GCC only), DDM, Back-up lamps
Ignition (ON) – Turn signals
202007-2012: Cigar lighter (2007-2008), OBD II
177,52003-2004: Wiper motor
102005-2006: Ignition (START) – Audio
2007-2012: Ignition (ON) – A/C mode switch (vehicles equipped with manual A/C), Blend door, Heated seat modules, BTSI (Floor-shift transmission)
18102003-2004: Not used
2005-2006: Ignition (ON) – A/C mode switch (manual A/C only), Blend door, DDM, Heated seat modules, Daytime Running Lamps (DRL) module
152007-2012: Lighting control module (interior lighting)
19152003-2004: Brake lamps, Brake signal for PCM, ABS and speed control module, DDM
102005-2012: Left-hand low beam, DRL
20202003-2004: Spot lamp (Police vehicle option)
102005-2012: Ignition (ON/ACC) – Back-up lamps, Anti-lock brake system (ABS; 2009-2012)
21152003-2004: LCM for park lamps and interior illumination, Autolamp/Sunload sensor
102005-2012: Right-hand low beam, DRL
22202003-2004: Speed control servo, Multi-function switch for hazard lamps, Brake on/off switch, Feed for IP fuse 19
102005-2012: Ignition (ON/ACC) – Restraint Control Module (RCM), Occupant Classification Sensor (OCS), Passenger Air bag Deactivation Indicator (PADI)
23152003-2004: EATC module, Instrument cluster, Clock, LCM, Interior lamps, Door lock switches, Door ajar and roof lamps (Taxi vehicles)
2005-2012: Multi-function switch (Flash-to-pass), LCM (High beams; 2006-2012)
24102003-2004: Left-hand low beam
2005-2012: Ignition (ON/ACC) – Passive Anti-Theft System (PATS) module, Powertrain Control Module (PCM) relay coil, Fuel relay coil, Ignition coil relay coil
25152003-2004: Cigar lighter
2005-2006: Autolamp/Sunload sensor, Power mirrors, Door lock switches (DDM), Mirror switch, Keypad switch, Decklid switch, Adjustable pedal switch, DDM
2007-2012: LCM (Park lamps, corner lamps, license lamps)
26102003-2004: Right-hand low beam
2005-2006: Ignition (ON/ACC) – Analog cluster, Warning lamp module, LCM, Overdrive cancel switch, Rear defroster relay coil
2007-2012: Ignition (ON/START) – Cluster, LCM, Overdrive cancel switch, Traction control switch
27252003-2004: LCM for cornering lamps and high beam headlamps
202005-2006: Cigar lighter, OBD II, Power point
2007-2012: Not used
28202003-2004: Power windows, DDM, Instrument panel/Door decklid release (police vehicles only)
102005-2006: Center High-Mounted Stop Lamp (CHMSL)
7,52007-2012: Brake signal, LCM (brake transmission shift interlock), ABS
29152003-2004: Not used
2005-2006: Audio
22007-2012: Hazard in (Police vehicles only)
30152003-2004: Not used
2005-2006: Stop lamps, MFS
22007-2012: Battery saver (Police vehicles only)
31152003-2004: Not used
2005-2006: Hazards (non-Police vehicles)
202005-2006: Hazards (Police vehicles)
52007-2012: Key in (LCM)
32102003-2004: Not used
2005-2006: Mirror heaters, Rear defroster switch indicator
22007-2012: Hazard out (Police vehicles only)
3310Fire suppression module (if equipped) (Police vehicles only)
Relay
K1012005-2006: Rear defroster
2007-2012: Window relay, Decklid (Police vehicles only)

Engine Compartment Fuse Box
Ford Crown Victoria - fuse box diagram - engine compartmentFord Crown Victoria – fuse box diagram – engine compartment
Fuse/relayAmpere rating [A]Description
1252003-2004: Audio
202005: Ignition switch (Key in, RUN 1, RUN 2)
252006: Ignition switch (Key in, RUN 1, RUN 2), Hazards
302007-2012: Ignition switch
2202003-2004: Power point
252005-2006: Ignition switch (RUN/START, RUN/ACC, START)
202007-2012: Moon roof (’07-’08), Spot lights (Police vehicles only)
3202003-2004: Heated seats
102005-2012: Powertrain control module (PCM) – keep alive power, Canister vent
4102003-2004: Horns
202005-2012: Fuel relay feed
5202003-2004: Fuel pump
102005-2012: Rear Air Suspension Module (RASM), VAPS module (’05-’08)
6152003-2004: Not used
2005-2012: Alternator regulator
7202003-2004: Moonroof
302005-2012: PCM relay feed
820Driver’s Door Module (DDM)
9152003-2004: Not used
2005-2012: Ignition coil relay feed
10202003-2004: Not used
2005-2012: Horn relay feed
11202003-2004: Daytime Running Lamps (DRL)
152005-2012: A/C clutch relay feed
12252003-2004: Not used
2005-2012:
Audio (non-Police vehicles only)
Tray lamps (Police vehicles only)
13202003-2004: Not used
2005-2012: Instrument panel power point
14202003-2004: Not used
2005-2012: Stop lamp switch
15152004: Alternator
202005-2006: Heated seats
152007-2012: Police accessory battery feed 1 (Police vehicles only)
16202003-2004: Not used
2005: Daytime Running Lamps (DRL) module
252006: Tray lamps (Police vehicles only)
202007-2012: Heated seats, Police accessory battery feed 2 (Police vehicles only)
17102003-2007: Not used
2008-2012: Commercial R/A
18102003-2007: Not used
2008-2012: Commercial R/A
19102003-2004: Powertrain Control Module (PCM), Fuel injectors, NGV fuel injector module
152005-2012: Injectors
20102003-2004: PCM, HEGOs
152005-2006: PCM, Mass Air Flow (MAF) sensor, IAT
2007-2012: PCM
21152003-2004: Not used
2005-2012: Powertrain loads and sensors, A/C clutch relay coil (2006)
22202003-2005: Not used
2006-2012: Police PDB outputs (Police vehicles only)
23202003-2005: Not used
2006-2012: Police PDB outputs (Police vehicles only)
2452003-2004: Not used
2005: Radio mute
2006: Not used
102007-2012: Heated mirrors, Rear defrost indicator
101302003-2004: Ignition switch, Starter motor solenoid via starter relay, IP fuses 7, 9, 12 and 14
402005-2012: Blower relay feed
10250Cooling fan (engine)
103402003-2004: Blower motor
502005: Instrument panel (I/P) fuse box feed #1, I/P fuses 23, 25, 27 and 31
2006: Instrument panel (I/P) fuse box feed #1, I/P fuses 19, 21, 23, 25 and 27
2007-2012: Instrument panel (I/P) fuse box feed #1, I/P fuses 10, 12, 14, 16 and 18
104402003-2004: Heated backlight relay
2005: Instrument panel (I/P) fuse box feed #2, I/P fuses 1, 3, 5, 7 and 9
2006: Instrument panel (I/P) fuse box feed #2, I/P fuses 1, 3, 5, 7, 8 and 9
502007-2012: Instrument panel (I/P) fuse box feed #2, I/P fuses 2, 4, 6, 8, 19, 21, 23 and 25
105302003-2004: PCM power relay or NGV module (natural gas vehicles only), Diagnostic connector, PDB 19 and 20, A/C clutch relay, Fuel pump module relay
2005-2012: Starter relay feed
10640Anti-lock brake system (ABS) module (Pump)
107402003: Crown North America (Police vehicle option)
502004: Police rear access power point (Police vehicles only)
402005-2012: Rear defroster relay feed
108502003-2004: Police rear access power point (Police vehicles only)
202005-2006:
Moonroof (non-Police vehicles only)
Spotlights (available on Police vehicles, Long Wheel Base [LWB] vehicles and commercial vehicles only)
2007-2012:
2009-2012: Cigar lighter (Non-police vehicles only),
Police accessory battery feed 3 (Police vehicles only)
109502003-2004: Light bar (Police vehicle option)
202005-2012: ABS module (Valves)
110502003-2004: Relay switch for front PDB (Police vehicle option)
302005-2012: Wiper module
111302003-2004: Power relay switch feed (Police vehicle option)
502005-2012: Police PDB or Police I/P accessory battery feed (Police vehicles only)
112502003-2004: Ignition switch feed to IP fuses 4, 6, 8, 11, 13, 15, 17, 20, 22 and 28
302005-2012: Air suspension compressor (non-Police vehicles only)
402005-2012: Police PDB relay feed (Police vehicles only)
113502003-2004: Feeds IP fuses 3, 5, 21, 23, 25, 27
2005-2012: Police light bar or Police Trunk (right-hand kick panel) accessory battery feed (Police vehicles only)
114302003-2004: VAP Steering, Air suspension compressor, Instrument cluster
502005-2012: Police PDB or Police I/P accessory battery feed (Police vehicles only)
115502003-2004: Ignition switch feed to IP fuses 16 and 18
2005-2012: Rear power point or Police Trunk (right-hand kick panel) accessory battery feed (Police vehicles only)
116302003-2004: Wipers
502005-2012: Police I/P accessory battery feed (Police vehicles only)
117502003-2004: B+ feed for PDB (Police vehicle option)
2005-2012: Police PDB or Police I/P accessory battery feed (Police vehicles only)
118202003-2004: ABS
502005-2012: Rear power point or Police Trunk (right-hand kick panel) accessory battery feed (Police vehicles only)
401
601502003-2004: Crown North America (Police vehicle option)
202005-2012: Power seats, Lumbar, Decklid (Police vehicles only)
602202003-2004: Adjustable pedals, Power seat, Locks, Decklid, Lumbar, Decklid release (Police vehicle option)
2005-2009:
RUN/ACC relay (windows) (non-police vehicles only)
RUN/ACC relay feed (windows and decklid) (police vehicles only)
2010-2012: RUN/ACC relay feed – Windows, Decklid (Police vehicles only)
Diode
5012003-2004: PCM
2005-2008: A/C clutch
5022004: A/C clutch
2005-2012: PCM
5032003-2004: Not used
2005-2007: Horn, Door latch
2008-2012: Not used
Relay
2012003-2004: Horn relay
2005-2012: A/C clutch relay
2022003-2004: PCM relay
2005-2012: Not used
2032003-2004: Fuel pump relay
2005-2012: Ignition coil relay
2042003-2004: A/C clutch relay
2005-2012: PCM relay
2052003-2004: Traction control switch relay
2005-2012: Not used
2062003-2004: Police vehicle relay
2005-2012: Fuel pump relay
2072005-2012: Not used
2082003-2004:
Moonroof relay
Police stop lamp relay (police vehicles only)
2005-2012: Not used
2092003-2004: Not used
2005-2012: Horn relay
3012003-2004: Blower motor relay
2005-2012: Starter solenoid relay
3022003-2004: Starter solenoid relay
2005-2012:
Air compressor relay (non-Police vehicles only)
RUN/ACC relay (Police vehicles only)
3032003-2004: Air suspension relay
2005-2012: Blower motor relay
3042003-2004: Heated backlight relay
2005-2006:
RUN/ACC relay (windows) (non-police vehicles only)
RUN/ACC relay (windows and decklid) (police vehicles only)
2007-2012: Rear defrost relay
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.


Crown Victoria, Ford electricity
 

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So I recently bought a 2010 CVPI and my turn signals arent working....
Make sure they are the correct bulbs as well. If it's using a single filament where it should have a double (or vis versa) it may overload a circuit or give you odd results. If the bulbs are ok I'd start checking the grounds next, then as 85LTD noted, pull out a multimeter.
 
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