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Which under dash fuse gives 12V constant? Need some help please. I need to connect my aftermarket TPMS device to constant and ACC 12V. ACC is easy and has many sources, but which of the fuses gives 12V constant? Please don't tell me to grab my voltmeter because it's really hard to use the voltmeter where the fuse box is under/behind the steering column. http://troubleshootmyvehicle.com/ima...08/image_1.gif Here's where I got the pic above and the fuse list below: http://troubleshootmyvehicle.com/hon...-dash-fuse-box 2001-2005 Civic EX, DX, LX Under-Dash Fuses # Amps Fuse Name/Description 1 15 Amps Ignition Coil. 2 20 Amps Air/Fuel Sensor Heater (HX; 2004: DX, LX, EX). 3 10 Amps Daytime Running Lights. 4 10 Amps Alternator. A/F Sensor Relay (HX; 2004: DX, EX, LX). Cruise Control. ELD Unit. EVAP Bypass Solenoid. EVAP Canister Purge Valve. EVAP Canister Vent Shut Valve. Primary and Secondary Oxygen Sensors. Vehicle Speed Sensor (VSS). 5 -- Not Used 6 7.5 Amps Power Window Relay. 7 20 Amps Sunroof. 8 7.5 Amps ACC Radio. 9 10 Amps Rear Wiper. Side SRS (HX). 10 7.5 Amps Meter. A/T Reverse Relay. Back-up Lights. CarLink Interface Box. Gauge Assembly. Keyless Receiver Unit (EX; 2004: DX, LX). Multiplex Control Unit. Security Control Unit. Shift Lock Solenoid. 11 7.5 Amps ABS. 12 7.5 Amps Daylight Running Lights (Canada). 13 10 Amps SRS. 14 7.5 Amps R/C Mirror. A/C Compressor Fan Relay. A/C Condensor Fan Relay. Blower Motor Relay. Heater Control Unit-Panel. Power Mirror Actuators. Radiator Fan Relay. Recirculation Control Motor. Rear Window Defogger Relay. 15 -- NOT USED 16 20 Amps Heated Seat. 17 15 Amps Fuel Pump. PCM (Fuel Injection Computer). Supplemental Restraint System (SRS) Unit. 18 15 Amps ACC Cigar (Accessory Power Socket). 19 20 Amps Turn Lights (Turn Signal/Hazard Relay). 20 20 Amps Front Wiper. Multiplex Control Unit. Windshield Washer Motor. Windshield Wiper Motor. 21 -- Not Used 22 20 Amps Power Window Front Right (Passenger Side). 23 20 Amps Power Window Front Left (Driver Side). 24 20 Amps Power Window Left Rear (Rear Driver Side). 25 20 Amps Power Window Right Rear (Rear Passenger Side). |
Re: Which under dash fuse gives 12V constant? Please don't tell me to grab my voltmeter because Whatever your image link is, I got 403 forbidden. Dash fuses 2, 3, 5, 7, 15, 16 are constant B+. Slot 5 and/or 15 may be empty, should be easy to tap if they are. |
Re: Which under dash fuse gives 12V constant? not positive but just by going by the items it is powering i would think #10 would be hot all the time, like ezone said, a test light is easier then a voltmeter |
Re: Which under dash fuse gives 12V constant? Thanks y'all. I ended up using #3 (day lights) for constant 12V. Some intermittent power issues but it seems to be a device/wiring issue (I hope). |
Re: Which under dash fuse gives 12V constant?
Originally Posted by ezone
(Post 4693687)
Use a test light instead. Whatever your image link is, I got 403 forbidden. Dash fuses 2, 3, 5, 7, 15, 16 are constant B+. Slot 5 and/or 15 may be empty, should be easy to tap if they are. Sunroof. is constant? |
Re: Which under dash fuse gives 12V constant?
Originally Posted by Fo0
(Post 4723055)
7 20 Amps Sunroof. is constant? 7th gen Civic, dash fusebox, #7 should be hot all the time. Confirm with voltmeter or test light. |
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