high impedance or low impedance, that is the question

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Jul 2, 2008 | 05:41 PM

Scott-EP

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3.0 BAR

Joined: Oct 2005

Posts: 3,936

From: St. Augustine FL

high impedance or low impedance, that is the question

is there a way to use a multi-meter to check the resistance on an injector to know if you need a resistor box? I just picked up some 650's and dont want to burn them up with my resistor box. I also dont want to remove the resistor box and burn up the ecu

ORANGE CHICKEN FTW!!!!!

Jul 2, 2008 | 05:47 PM

deadnutsac

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Joined: May 2006

Posts: 73

Re: high impedance or low impedance, that is the question

Low- 1.7 to 3.0 ohms (Peak and Hold Driver/Injectors) you will need the box.

High- 10 to 16 ohms (Saturated Circuit Drivers/Injectors)No box

Jul 3, 2008 | 12:16 AM

sakpase

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Joined: Apr 2006

Posts: 536

From: Kingsland, GA

Re: high impedance or low impedance, that is the question

thread jack :P

I'm switching to OBD1 on my CRX......Do I remove my resistor box?

I'm still using the same DSM 450's just adding a PO6.

Jul 3, 2008 | 12:53 AM

Atticus

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Joined: Oct 2006

Posts: 1,147

Re: high impedance or low impedance, that is the question

Quote:

Originally Posted by sakpase

thread jack :P

I'm switching to OBD1 on my CRX......Do I remove my resistor box?

I'm still using the same DSM 450's just adding a PO6.

Jul 3, 2008 | 01:22 AM

Tom-Guy

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Joined: Feb 2003

Posts: 0

Re: high impedance or low impedance, that is the question

Honda/Mitsu/Toy ECUs want to see a minimum of 10 ohms across the injector. If you do not have 10 ohms, insert 6.8 ohm Honda or Mitsu or Toyota resistor box inline pls kthx.