Common items for parasitic draw electrical 2003 H2.
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From: C-Town
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Here are the details. I finally had the chance to check it with my voltmeter.
using negative side of the battery. Battery is 840cca. Tested good with 800cca still.
when first connected I had a 2.9 amp draw after a minute it would drop to .075 A. After going through all the fuses one fuse knocked it down to .010A. That fuse is a 10A fuse marked HVAC/ECAS.
No other fuse made a noticeable difference like that one. Next I need to isolate what is on that circuit and disconnect each item individually to see which is item is causing the draw.
I am assuming the compressor and electronic air conditioning control unit head is on the circuit. About a year ago or so I swapped out electronic climate control unit with the Dorman from Oreillys. It seems to be working properly but maybe something is going on with it. I just wanted to share my update. If anyone has any suggestions please let me know.
using negative side of the battery. Battery is 840cca. Tested good with 800cca still.
when first connected I had a 2.9 amp draw after a minute it would drop to .075 A. After going through all the fuses one fuse knocked it down to .010A. That fuse is a 10A fuse marked HVAC/ECAS.
No other fuse made a noticeable difference like that one. Next I need to isolate what is on that circuit and disconnect each item individually to see which is item is causing the draw.
I am assuming the compressor and electronic air conditioning control unit head is on the circuit. About a year ago or so I swapped out electronic climate control unit with the Dorman from Oreillys. It seems to be working properly but maybe something is going on with it. I just wanted to share my update. If anyone has any suggestions please let me know.
Senior Member
Joined: Jul 2012
Posts: 8,999
From: C-Town
Here are the details. I finally had the chance to check it with my voltmeter.
using negative side of the battery. Battery is 840cca. Tested good with 800cca still.
when first connected I had a 2.9 amp draw after a minute it would drop to .075 A. After going through all the fuses one fuse knocked it down to .010A. That fuse is a 10A fuse marked HVAC/ECAS.
No other fuse made a noticeable difference like that one. Next I need to isolate what is on that circuit and disconnect each item individually to see which is item is causing the draw.
I am assuming the compressor and electronic air conditioning control unit head is on the circuit. About a year ago or so I swapped out electronic climate control unit with the Dorman from Oreillys. It seems to be working properly but maybe something is going on with it. I just wanted to share my update. If anyone has any suggestions please let me know.
using negative side of the battery. Battery is 840cca. Tested good with 800cca still.
when first connected I had a 2.9 amp draw after a minute it would drop to .075 A. After going through all the fuses one fuse knocked it down to .010A. That fuse is a 10A fuse marked HVAC/ECAS.
No other fuse made a noticeable difference like that one. Next I need to isolate what is on that circuit and disconnect each item individually to see which is item is causing the draw.
I am assuming the compressor and electronic air conditioning control unit head is on the circuit. About a year ago or so I swapped out electronic climate control unit with the Dorman from Oreillys. It seems to be working properly but maybe something is going on with it. I just wanted to share my update. If anyone has any suggestions please let me know.
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