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2004 GMC ENVOY secondary air pump fuse location

Secondary air pump has no power to it need location of fuses

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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freetek
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SOURCE: Secondary air injection pump, 01 GMC Jimmy V6

You didn't mention the fuse rating of the one you replaced so this method may not help if it was higher than ~5 amps.At this point, I would wire a 12 volt bulb, preferably, one with 40-50 watts rating (headlamp will do fine) in place of the fuse that is blowing and start pulling likely connectors until the light goes out. If you don't get results this way, you might try disturbing one bundle of wire after another since this could be happening because of insulation that has been pinched or worn through to reach ground.
Using a bulb instead of bridging the fuse with a piece of coathanger will prevent melting the wire and possibly compounding the problem.   

Posted on Nov 24, 2008

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  • 3640 Answers

SOURCE: i need to know where the secondary air pump is

the secondary airpump is located next to frame, approx. beneath drivers feet. you will see hoses to the air pump.

Posted on Feb 26, 2010

  • 400 Answers

SOURCE: 2004 gmc envoy question -

Try the inner door pillar passenger side.

Posted on Jan 29, 2011

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353c1829-d9cb-4f74-988e-0a135818bd52.jpg

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Code 410


code po410 on a 2004 gmc envoy is that there is a problem with the secondary air injection system, you will need to check the fuse located in the engine compartment first, the next step is to start the truck cold and listen for the air pump to turn on for a few seconds, this will sound like a jet engine but not that loud, after it runs for 5 min and you dont hear it then you may have a bad pump which is located under the driverside on frame but if you hear the pump then you may have a bad valve, this valve is located on the exhaust manifold area and has a hose from the pump to valve, remove the hose and check for water, drain any water in the hose, also remove hose at pump and drain, the most common cause for this code is the valve is not opening and the air pump gets water inside and goes bad, thats the po410 code. a quick note; if fuse is blown look under truck near pump and check relay as it fills with water and blows fuse, if this is the case replace relay and blow water out of connector.good day.

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