Question about Honda Civic

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I had this problem with mine. the car would run fine and then just stop working. it ened up being the main relay under the driver side dash. the main relay is what turns your fuel pump on and off and Honda had a problem of putting to soft of soder in the relay with would make it crack after some years. you can take it out and resoder the connections or buy a new one for around 50 bucks. i wouldn't recommend putting a used one in because all of the factory installed relays had this problem.

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This should have been posted as a solution to someones problem.

Posted on Sep 09, 2009


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Hi Everyone, I have a 2009

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Cooling fan relay location -97 ford escort 2.0 liter automatic transmission

a relay in most cars should be under the hood. the fuse is usually on the drivers side under the dash in a black box. in my Taurus that's where mine are.

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Honda won't start. replaced fuel pump and its working. lots of spark just wont fire

Had the same issue with my 92 accord.. Try replacing the Main Relay, thats what was causing mine... It is located under the dash on the Drivers side behind the cruise control box... Here is a link that may be helpful.
Good luck!

Feb 27, 2011 | 1992 Honda Accord

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My 1997 honda accord stops running while i am driving , i put it in park and it starts again. usually right away

I would change the Main Control Relay its located at the a pillar drivers side under the dash kinda up high its the big relay on the side

Dec 08, 2010 | 1992 Honda Accord

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Car cranks but dose not start, there is no power to distributator or fuel pump

I suspect the at this point, the main relay is defective. This relay controls power to fuel and spark circuits.

The PGM-FI Main Relay is actually comprised of two individual internal relays. When the ignition switch is initially turned ON , the Powertrain Control Module (PCM) supplies ground to the PGM-FI Main Relay. This ground triggers one of the PGM-FI internal relays that sends battery voltage to the fuel pump for two seconds to pressurize the fuel system.
When the engine is running the PCM supplies a continuous ground to the PGM-FI Main Relay. The supplied ground keeps the relay in the "closed" position providing electrical current to the fuel pump, keeping the fuel loop pressurized while the engine runs.
If the engine is not running with the ignition on, the PCM cuts the ground to the PGM-FI Main Relay, causing the relay to "open" and stop the electric current flow to the fuel pump. As mentioned previously, if the engine is not running, the PCM will only supply ground to the PGM-FI Main Relay for two seconds when the ignition switch is initially switched to the ON position.
The PGM-FI Main Relay also supplies electrical power to the Idle Air Control (IAC) Valve and to the fuel injectors.


If the engine starts and continues to run, the PGM-FI Main Relay is working and does not need to be replaced.
  1. Locate and remove the relay.

On some models of the Civic and Civic del Sol it is located to the left of the steering column under the dash. Many later models position it either near the passenger right side kick panel under the dash or by the driver left side kick panel up under the dash.
  1. Attach the battery positive terminal to the No. 2 terminal.
  2. And the battery negative terminal to the No. 1 terminal.
  3. Check for continuity between terminal No. 5 and 4.
  4. If there is no continuity, replace the relay and retest

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My Daytime Running Lights have stopped working on my 1999 VW Beetle. Any ideas

DRL relay might be bad.

Remove the driver's-side under-dash flat plastic panel with a Torx screwdriver (20-bit head - you only need to remove the three screws at the front edge). You should see several relays plugged into the circuit board. Relay #8 is in the second position (from left to right) of the second row. It has 173 stamped on it

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Try rpelacing the blinker/flasher relay, it's under the driverside dash. behide the main fuse box.

If you put you head all the way under the drivers side part of the dash, then look just behind the main fuse box. you'll see five or so relays. looking at them you'll see 2 gray then a black, then a green, then to the side of that one another gray. The flasher/blinker is the green one. To get it out, Don't rip it, just work it, it should just pull right out. The part number is 96312545.

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If you know how to solder stuff, you don't even have to replace it. I re-soldered mine and it works perfectly now. I have horribly shaky hands, too - the contact points are huge so you don't have to be very good at soldering. =) Save yourself some money! Here's a nice big guide:

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92 acura legend. sometimes the car will not start, cranking fine. had in shop two days, they tests all parts,and returned car. It has 199,000 miles, and a knowledgable friend has suggested with the amount...

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