# \#electrical-wiring **URL:** https://community.cartalk.com/tag/electrical-wiring/140.md [Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md) --- ## [ECM not communicating](https://community.cartalk.com/t/ecm-not-communicating/197864)
**Author:** [@dianiskatomas\_191452](https://community.cartalk.com/u/dianiskatomas_191452)\ **Replies:** 8\ **Last updated:** [May 11, 2026, 1:08pm UTC](https://community.cartalk.com/t/ecm-not-communicating/197864 "2026-05-11T13:08:09Z")
Hi, my ford is doing weird things and PCM or ecm is not communicating properly(when i connect to ecm after few seconds i have to reconnect). At random times relay in engine bay relay of glowplugs starts to click for few … --- ## [No communication between modules/car wont start](https://community.cartalk.com/t/no-communication-between-modules-car-wont-start/197427)
**Author:** [@dianiskatomas\_191452](https://community.cartalk.com/u/dianiskatomas_191452)\ **Replies:** 13\ **Last updated:** [May 11, 2026, 1:01pm UTC](https://community.cartalk.com/t/no-communication-between-modules-car-wont-start/197427 "2026-05-11T13:01:37Z")
Hi Im working on ford mondeo mk4 and so far discovered that there are multiple communication faults. Checked the resistance, voltage… On osciloscope can high and can low are good but occasionally the network spikes and a… --- ## [Blower motor electrical problem 07 Impala](https://community.cartalk.com/t/blower-motor-electrical-problem-07-impala/197771)
**Author:** [@oldimpala](https://community.cartalk.com/u/oldimpala)\ **Replies:** 31\ **Last updated:** [October 23, 2025, 10:52am UTC](https://community.cartalk.com/t/blower-motor-electrical-problem-07-impala/197771 "2025-10-23T10:52:40Z")
My 07 Impala stopped blowing air so I got a new blower motor. I take the old one out, connect the plug to the new one and nothing. I took a multi meter and connected it’s leads to the plug that goes to the blower motor t… --- ## [ECU always turning on and off](https://community.cartalk.com/t/ecu-always-turning-on-and-off/201010)
**Author:** [@dianiskovamonika\_194113](https://community.cartalk.com/u/dianiskovamonika_194113)\ **Replies:** 7\ **Last updated:** [July 14, 2025, 4:08pm UTC](https://community.cartalk.com/t/ecu-always-turning-on-and-off/201010 "2025-07-14T16:08:47Z")
Hi, I started learning about cars so I bought no start ford mondeo mk4 with electrical problem. When the wake up signal comes to the ecm, the ecm starts to always turning on and off. Thats why also other components like … --- ## [Burnt electrical connector. Tried DeoxIT](https://community.cartalk.com/t/burnt-electrical-connector-tried-deoxit/200801)
**Author:** [@runzwitscizzors](https://community.cartalk.com/u/runzwitscizzors)\ **Replies:** 12\ **Last updated:** [June 29, 2025, 11:32pm UTC](https://community.cartalk.com/t/burnt-electrical-connector-tried-deoxit/200801 "2025-06-29T23:32:01Z")
2014 Subaru Crosstrek. The Blower Switch stopped working on 4 (Highest setting). I pulled out the switch, and noticed the electrical connector on the car side (female, 6-pattern) looked slightly burnt on one pin receive… --- ## [Car Won't Start, Battery, Alternator, and Starter Test Good](https://community.cartalk.com/t/car-wont-start-battery-alternator-and-starter-test-good/198411)
**Author:** [@miketho16\_192233](https://community.cartalk.com/u/miketho16_192233)\ **Replies:** 45\ **Last updated:** [February 24, 2025, 1:30pm UTC](https://community.cartalk.com/t/car-wont-start-battery-alternator-and-starter-test-good/198411 "2025-02-24T13:30:20Z")
I have a 2007 Honda Accord LX. After running several errands with 5 to 10 minutes of city driving between each stop, it wouldn’t start after the final stop (20 minutes in the grocery store). The lights were not left on, … --- ## [Advice on electrical short and power windows](https://community.cartalk.com/t/advice-on-electrical-short-and-power-windows/199108)
**Author:** [@yadmas](https://community.cartalk.com/u/yadmas)\ **Replies:** 7\ **Last updated:** [February 13, 2025, 4:03pm UTC](https://community.cartalk.com/t/advice-on-electrical-short-and-power-windows/199108 "2025-02-13T16:03:27Z")
hello. can anyone tell me the name of this part? the black wire goes the to the POSitive power terminal on my battery and the red disappears under dash. when its not hooked up, power windows don’t work. when it IS hoo… --- ## [Car sounds and shaking/misfiring(?)](https://community.cartalk.com/t/car-sounds-and-shaking-misfiring/198173)
**Author:** [@naturalplans](https://community.cartalk.com/u/naturalplans)\ **Replies:** 17\ **Last updated:** [November 30, 2024, 9:42pm UTC](https://community.cartalk.com/t/car-sounds-and-shaking-misfiring/198173 "2024-11-30T21:42:20Z")
Bought a 2011 infiniti g25 a month ago, ran fine. Past 2 weeks it idled roughly (more so in D and R) and would jerk, also during braking. I’ve tried a couple things so far already : Changed all 6 sparks Cleaned both MA… --- ## [Im trying to rebuild 06 pt cruiser 2.4 need help with a few things if possible!](https://community.cartalk.com/t/im-trying-to-rebuild-06-pt-cruiser-2-4-need-help-with-a-few-things-if-possible/198137)
**Author:** [@undeadexil3](https://community.cartalk.com/u/undeadexil3)\ **Replies:** 18\ **Last updated:** [November 25, 2024, 1:55am UTC](https://community.cartalk.com/t/im-trying-to-rebuild-06-pt-cruiser-2-4-need-help-with-a-few-things-if-possible/198137 "2024-11-25T01:55:29Z")
Im looking to find out what the green connector is (i think its c11). And i have wires at the end i also have to identify (pics will be in comments) i believe the wires (db/or, db/lg) are ac low pressure or the fan or a… --- ## [Intermittent no crank no start with new battery and starter](https://community.cartalk.com/t/intermittent-no-crank-no-start-with-new-battery-and-starter/198115)
**Author:** [@slowtrap](https://community.cartalk.com/u/slowtrap)\ **Replies:** 5\ **Last updated:** [November 23, 2024, 4:52am UTC](https://community.cartalk.com/t/intermittent-no-crank-no-start-with-new-battery-and-starter/198115 "2024-11-23T04:52:18Z")
Hi all, I have an '03 Honda Odyssey that has been reluctant to start. Often, when I get in and turn the key, nothing happens. No click, I can hear the fuel pump, all the lights, dash, radio, and accessories work, but it… --- ## [Help identify wiring and relay 2006 2.0 cruiser](https://community.cartalk.com/t/help-identify-wiring-and-relay-2006-2-0-cruiser/198023)
**Author:** [@undeadexil3](https://community.cartalk.com/u/undeadexil3)\ **Replies:** 9\ **Last updated:** [November 14, 2024, 3:31pm UTC](https://community.cartalk.com/t/help-identify-wiring-and-relay-2006-2-0-cruiser/198023 "2024-11-14T15:31:02Z")
I’m looking to identify these wires from the 2 replays and also a wiring (i know one is ground but to where?) from by the brakes. Thanks! i can only post one pic ig cuz I’m new. I’ll try to post more or just email me ! s… --- ## [Engine Keeps Dying at Idle, while Reversing or Accelerating From Drive](https://community.cartalk.com/t/engine-keeps-dying-at-idle-while-reversing-or-accelerating-from-drive/197658)
**Author:** [@Gxnxn](https://community.cartalk.com/u/Gxnxn)\ **Replies:** 7\ **Last updated:** [October 21, 2024, 11:45pm UTC](https://community.cartalk.com/t/engine-keeps-dying-at-idle-while-reversing-or-accelerating-from-drive/197658 "2024-10-21T23:45:12Z")
2011 Buick Regal CXL 2.4 L non turbo. I recently had the Battery, Camshaft Position Sensors, Intake and Exhaust Solenoids, Alternator Belt, Tensioner, and Pulley, and also the Mass Airflow Sensor Replaced because the Che… --- ## [Buick century high blowers wont turn off, not the relay?](https://community.cartalk.com/t/buick-century-high-blowers-wont-turn-off-not-the-relay/195929)
**Author:** [@amclean1917\_191062](https://community.cartalk.com/u/amclean1917_191062)\ **Replies:** 9\ **Last updated:** [August 24, 2024, 9:37pm UTC](https://community.cartalk.com/t/buick-century-high-blowers-wont-turn-off-not-the-relay/195929 "2024-08-24T21:37:38Z")
1997 buick century. recently, my ac high blowers stopped being able to turn off. with the car running, i could turn it up and down, but when i turned it off, it would turn on the high blowers. i managed to identify the … --- ## [Electric window opens after closing](https://community.cartalk.com/t/electric-window-opens-after-closing/42785)
**Author:** [@AAlbin63](https://community.cartalk.com/u/AAlbin63)\ **Replies:** 6\ **Last updated:** [July 31, 2024, 9:47am UTC](https://community.cartalk.com/t/electric-window-opens-after-closing/42785 "2024-07-31T09:47:13Z")
When I close the electric window in the driver's door of my 2001 Maxima using the first setting on the switch (the position requiring me to keep my finger on the switch) the window closes just fine. If I close the windo… --- ## [Cigarette lighter issue in classic car](https://community.cartalk.com/t/cigarette-lighter-issue-in-classic-car/194953)
**Author:** [@yadmas](https://community.cartalk.com/u/yadmas)\ **Replies:** 43\ **Last updated:** [May 26, 2024, 6:24am UTC](https://community.cartalk.com/t/cigarette-lighter-issue-in-classic-car/194953 "2024-05-26T06:24:47Z")
Im trying to remove a cigarette lighter and replace with a new one and cant get it out. sleeve and element seem to be corroded together. got some lube in there. but can get any leverage. i tried using a cork stuck on en… --- ## [2000 Ford F-150 - Amp drain](https://community.cartalk.com/t/2000-ford-f-150-amp-drain/194868)
**Author:** [@pokey123](https://community.cartalk.com/u/pokey123)\ **Replies:** 7\ **Last updated:** [May 9, 2024, 12:59am UTC](https://community.cartalk.com/t/2000-ford-f-150-amp-drain/194868 "2024-05-09T00:59:18Z")
What would cause a 9.28amp drain on a parked truck…50,750 original miles. Wnet thru most all 20-15-10-5 amp fuses.Did not locate drain. --- ## [2002 Toyota Sienna troubleshooting electrical issue](https://community.cartalk.com/t/2002-toyota-sienna-troubleshooting-electrical-issue/194494)
**Author:** [@danielscottclark](https://community.cartalk.com/u/danielscottclark)\ **Replies:** 40\ **Last updated:** [March 12, 2024, 6:27am UTC](https://community.cartalk.com/t/2002-toyota-sienna-troubleshooting-electrical-issue/194494 "2024-03-12T06:27:24Z")
Hi, any help is greatly appreciated thank you :pray:t3::pray:t3::pray:t3::pray:t3: Working on my friend’s 2002 Toyota Sienna V6 with high mileage… She was getting a bunch of squealing and I think power steering went ou… --- ## [Honda Accord 2015 Wire hanging below the rear tire](https://community.cartalk.com/t/honda-accord-2015-wire-hanging-below-the-rear-tire/193364)
**Author:** [@HNDDeeps555](https://community.cartalk.com/u/HNDDeeps555)\ **Replies:** 15\ **Last updated:** [October 15, 2023, 3:54am UTC](https://community.cartalk.com/t/honda-accord-2015-wire-hanging-below-the-rear-tire/193364 "2023-10-15T03:54:38Z")
Hey there car community, So I noticed something weird on my car today, there is a wire or some kind of hose which seems to be unplugged from my car it’s located below next to the left side of the rear wheel. Wondering if… --- ## [Connecting +12 wire from cargo trailer to Renault Grand Scenic IV fuse box](https://community.cartalk.com/t/connecting-12-wire-from-cargo-trailer-to-renault-grand-scenic-iv-fuse-box/192939)
**Author:** [@david.reikher\_186902](https://community.cartalk.com/u/david.reikher_186902)\ **Replies:** 10\ **Last updated:** [September 19, 2023, 11:51pm UTC](https://community.cartalk.com/t/connecting-12-wire-from-cargo-trailer-to-renault-grand-scenic-iv-fuse-box/192939 "2023-09-19T23:51:30Z")
Hi all, I installed a trailer hitch on my Renault Grand Scenic IV and I’m wondering where to connect the +12 wire. I found an empty spot in the fuse box which has +12V coming out of it, so I connected it there but now I… --- ## [OBD2 scan help (shorts and BCM)](https://community.cartalk.com/t/obd2-scan-help-shorts-and-bcm/192300)
**Author:** [@Msl124](https://community.cartalk.com/u/Msl124)\ **Replies:** 6\ **Last updated:** [August 25, 2023, 2:20am UTC](https://community.cartalk.com/t/obd2-scan-help-shorts-and-bcm/192300 "2023-08-25T02:20:26Z")
I pulled these codes off my 2013 Ford Fusion Hybrid and it all seems to point to the BCM and I don’t know what the 72E refers to. The car is showing a static check engine light and wont let me start it, with a " stop sa… --- ## [Sent wrong wire to ground. Now car will not turn on](https://community.cartalk.com/t/sent-wrong-wire-to-ground-now-car-will-not-turn-on/191681)
**Author:** [@stealthypants\_186000](https://community.cartalk.com/u/stealthypants_186000)\ **Replies:** 4\ **Last updated:** [July 18, 2023, 6:55pm UTC](https://community.cartalk.com/t/sent-wrong-wire-to-ground-now-car-will-not-turn-on/191681 "2023-07-18T18:55:24Z")
I was trying to install a wiring harness for a trailer and I believe I sent a wire to ground that was not supposed to be grounded. When I tried to start the car I heard a few clicks and the lights flashed a little and my… --- ## [Not sure about 3rd wire to terminal](https://community.cartalk.com/t/not-sure-about-3rd-wire-to-terminal/191679)
**Author:** [@Kwroloff](https://community.cartalk.com/u/Kwroloff)\ **Replies:** 3\ **Last updated:** [July 13, 2023, 10:41pm UTC](https://community.cartalk.com/t/not-sure-about-3rd-wire-to-terminal/191679 "2023-07-13T22:41:52Z")
Hi I’m replacing faulty terminals and my battery on a 1989 chevy g20 and i noticed a 3rd wire that looks like it ought to be attached to one of my terminals, though i don’t recall pulling it off of the last battery. Whi… --- ## [Cooling fans not working properly](https://community.cartalk.com/t/cooling-fans-not-working-properly/191332)
**Author:** [@khanhkpu1710cartalk\_185778](https://community.cartalk.com/u/khanhkpu1710cartalk_185778)\ **Replies:** 3\ **Last updated:** [July 6, 2023, 10:40pm UTC](https://community.cartalk.com/t/cooling-fans-not-working-properly/191332 "2023-07-06T22:40:15Z")
Hi everybody! My 2001 toyota camry has been overheating. I noticed that the cooling fan on the passenger side isn’t spinning, and replaced it but it still overheat. Then I noticed that both fans spin slow when the AC is… --- ## [2007 Honda Fit Dashboard Electrical Issues](https://community.cartalk.com/t/2007-honda-fit-dashboard-electrical-issues/191449)
**Author:** [@nussjohnathan](https://community.cartalk.com/u/nussjohnathan)\ **Replies:** 11\ **Last updated:** [July 6, 2023, 1:26pm UTC](https://community.cartalk.com/t/2007-honda-fit-dashboard-electrical-issues/191449 "2023-07-06T13:26:16Z")
Hey everyone, Whilst driving a long distance drive, the dash was showing random different engine light errors. There were two that I observed but was unable to replicate. The ABS and E-brake lights were on, and the gr… --- ## [F150 Sudden Loss+Regain of Power while Driving](https://community.cartalk.com/t/f150-sudden-loss-regain-of-power-while-driving/191095)
**Author:** [@viviankindel\_185600](https://community.cartalk.com/u/viviankindel_185600)\ **Replies:** 2\ **Last updated:** [June 12, 2023, 11:23am UTC](https://community.cartalk.com/t/f150-sudden-loss-regain-of-power-while-driving/191095 "2023-06-12T11:23:12Z")
A month ago while my dad was driving down the highway my car lost power. Radio turned off, the flashers wouldn't work, and I believe the running lights were still on, but the whole dashboard went dark. He managed to… --- ## [2010 Honda Fit electrical issue](https://community.cartalk.com/t/2010-honda-fit-electrical-issue/189897)
**Author:** [@awells0502\_184694](https://community.cartalk.com/u/awells0502_184694)\ **Replies:** 11\ **Last updated:** [April 3, 2023, 12:41am UTC](https://community.cartalk.com/t/2010-honda-fit-electrical-issue/189897 "2023-04-03T00:41:03Z")
I have a 2010 Honda Fit that has recently been having an electrical issue that I am having a difficult time locating. A couple of weeks ago I was driving home at night and started having issues that would seem to indica… --- ## [Removed Battery put back in now car won't start](https://community.cartalk.com/t/removed-battery-put-back-in-now-car-wont-start/189359)
**Author:** [@maxeybsa](https://community.cartalk.com/u/maxeybsa)\ **Replies:** 23\ **Last updated:** [March 11, 2023, 2:37am UTC](https://community.cartalk.com/t/removed-battery-put-back-in-now-car-wont-start/189359 "2023-03-11T02:37:16Z")
Ok so I removed the battery to get it tested, I took it in they charged it and tested it and battery was good. Brought it back to the car put the battery back in and went to turn it on, put the key in the acc position a… --- ## [How to find the right connector](https://community.cartalk.com/t/how-to-find-the-right-connector/189395)
**Author:** [@billscolby2](https://community.cartalk.com/u/billscolby2)\ **Replies:** 5\ **Last updated:** [March 2, 2023, 12:57pm UTC](https://community.cartalk.com/t/how-to-find-the-right-connector/189395 "2023-03-02T12:57:49Z")
Does anybody have any tips on finding the right connector, I have a 2006 ford F-150 and I need a new rear ABS sensor, the connector is glued onto my current one so I want to get a new wire aswell, but I’ve bought two wir… --- ## [2005 Jeep Grand Cherokee fog lights not working, windshield fluid pumps not working, and daytime running lights flickering](https://community.cartalk.com/t/2005-jeep-grand-cherokee-fog-lights-not-working-windshield-fluid-pumps-not-working-and-daytime-running-lights-flickering/188880)
**Author:** [@ejjsoccer22\_183966](https://community.cartalk.com/u/ejjsoccer22_183966)\ **Replies:** 15\ **Last updated:** [February 2, 2023, 2:41am UTC](https://community.cartalk.com/t/2005-jeep-grand-cherokee-fog-lights-not-working-windshield-fluid-pumps-not-working-and-daytime-running-lights-flickering/188880 "2023-02-02T02:41:03Z")
Hi, I have a 2005 jeep grand Cherokee that I just bought used, I noticed three blue wires running from the dash to the fusebox that I thought were weird, after doing research I believe they are hardwired to bypass a rela… --- ## [2008 Chevrolet Impala - Electrical gremlins](https://community.cartalk.com/t/2008-chevrolet-impala-electrical-gremlins/187894)
**Author:** [@Charlie26](https://community.cartalk.com/u/Charlie26)\ **Replies:** 5\ **Last updated:** [December 14, 2022, 3:04am UTC](https://community.cartalk.com/t/2008-chevrolet-impala-electrical-gremlins/187894 "2022-12-14T03:04:28Z")
Heater actuator often engages for no reason causing failure of actuator. Low washer fluid message is on when not low. Low beam headlights do not come on either in automatic or manual mode [Next page](https://community.cartalk.com/tag/electrical-wiring/140.md?match_all_tags=true&page=1&tags%5B%5D=electrical-wiring)