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Anonymous Posted on Jan 06, 2012

1989 honda crx main relay diagram

Need a wiring diagram for main relay

4 Related Answers

Anonymous

  • 93 Answers
  • Posted on Dec 09, 2008

SOURCE: i need 1996 honda accord speed sensor plug wiring diagram

Diagram is courtesy of honda

[IMG]http://i34.tinypic.com/10wjogi.jpg[/IMG]

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Anonymous

  • 2 Answers
  • Posted on Feb 23, 2009

SOURCE: 1989 Honda CRX won't start after a short trip.

Easy one.This is a common problem on 88-91 Civics and CRX's.Check your main relay under the drivers side dash.It provides power to the ECU,fuel pump,and injectors.Its a squarish box with a single plug going into it held on by one 10 mm bolt.The solder joints break down over time and cause the condition you're having.You can pry off the plastic cover and resolder the joints if you are handy with a soldering iron,or just ask for a main relay at Autozone,etc.

Anonymous

  • 232 Answers
  • Posted on Jun 01, 2009

SOURCE: need wiring diagram

Go to autozone.com and register they have good wiring diagrams for your truck.What I saw was all the relays going to ground so you should have 12V coming off the ignition switch.

Anonymous

  • 240 Answers
  • Posted on Jun 24, 2009

SOURCE: 2002 honda civic wiring diagram

Found this on another question forum and everything I need seems to match up with my 02 even though the diagram is dated to 98http://www.installdr.com/Harnesses/HA-Wiring.pdf

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Sounds like the common main relay problem that plauges this generation of Hondas. These Matsuba relays are usually the problem. I am in the midst of the same issue with my CRX with a 1.5 liter transplant. Relay is located under the dash in the drivers compartment area of the vehicle. Identified as a small black box with a connector pluged into it. Will say Matsuba Rz and some serise of 4 numbers dependent on your particular relay. There are a lot of diagrams to check the relay. After detemining the type of relay you have just search Bing or Google for Matsuba (what ever seriese relay) schematic. My suggestion for a site: http://techauto.tripod.com/index.htm. Good luck!
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check your wiring for dirty connections or broken wires, you may have wires that are rubbed through or connectors that are not making full contact. you will need an ohm meter and check wires for continuity. a wiring diagram will be needed.
3helpful
2answers

1989 Honda CRX won't start after a short trip.

Easy one.This is a common problem on 88-91 Civics and CRX's.Check your main relay under the drivers side dash.It provides power to the ECU,fuel pump,and injectors.Its a squarish box with a single plug going into it held on by one 10 mm bolt.The solder joints break down over time and cause the condition you're having.You can pry off the plastic cover and resolder the joints if you are handy with a soldering iron,or just ask for a main relay at Autozone,etc.
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