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2000 Acura Integra main relay switch

Tiny
TRES2000QX4
  • MEMBER
  • 2000 ACURA INTEGRA
  • 139,000 MILES
When I'm driving my car it just shuts down with no warning. I drove the car until it will no longer start my car any more! My battery died and got a new one and still will not start. I think it's my main relay switch but not 100% sure? So I took the main switch out and resawtering the main board. I was reading about Main Relay problems on the internet.
Do you think I should buy a new one to see if thats the problem?
I'm going crazy!
thinking.
Fuel Pump?
Alternator?
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Saturday, October 1st, 2011 AT 6:00 AM

5 Replies

Tiny
TRES2000QX4
  • MEMBER
  • 4 POSTS
Also, I changed my ignition switch too.
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Wednesday, March 1st, 2017 AT 2:39 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Re-soldering the main board? Was it cracked? Were there defective solder joints? Check the fuel pump, fuel injection and ignition relays and fuses. Both in the engine compartment and passenger compartment.
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Wednesday, March 1st, 2017 AT 2:39 PM
Tiny
TRES2000QX4
  • MEMBER
  • 4 POSTS
The main board was good but I resoldered the board anyway. Just to be safe.
I checked all the fuses driver side and engine. I did not know there were more fuses on the passenger side. Stupid me! LOL
My question is why do I not have lights turning on on my dash board? Turning to the key to #2 and power to my dash! Also, how do you check a fuel pump to see it is going bad?
Please help!
Thank you
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Wednesday, March 1st, 2017 AT 2:39 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Use a fuel pressure gauge to check the pump output. Use a multi-meter to see if there is power to the main 'battery' lug on the interior fuse panel. Is position #2 Run or Start? If nothing is happening when the key is in the Run position, most likely the ignition switch is bad.
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Wednesday, March 1st, 2017 AT 2:39 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
When no dash indicators lights are present, it is not due to a faulty main relay. You have a power interruption and it could be the ignition switch or power to it.

Have you checked Ignition Fuse # 42 ( 40 A) in underhood fuse box?
Are you able to crank the engine?
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Wednesday, March 1st, 2017 AT 2:39 PM

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