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02 isuzu trooper 4WD switch
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toolman0007
User
Feb 8, 2014, 7:35 AM
Post #1 of 7
(1894 views)
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02 isuzu trooper 4WD switch
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I have a none working four wheel drive unit on this 02 isuzu trooper looking for info on which wires are input and out put on the 4 wheel drive switch that's on the right side of transmission.
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kev2
Veteran
Feb 8, 2014, 10:09 AM
Post #2 of 7
(1880 views)
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Re: 02 isuzu trooper 4WD switch
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4wd switch total 4 wires -am I on right diagram -- blu/wht is 12v fused the red/wht is to the 4wd module -
grn/red and red/grn is the bulb
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toolman0007
User
Feb 8, 2014, 1:38 PM
Post #3 of 7
(1863 views)
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Re: 02 isuzu trooper 4WD switch
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well now that i have your info it's back to checking. it's my understanding the 4wd/sw or speed sensors are the most common parts that fail on this thing. thank you for the info. will be testing and getting back
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kev2
Veteran
Feb 9, 2014, 9:04 AM
Post #4 of 7
(1854 views)
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Re: 02 isuzu trooper 4WD switch
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I think it has a vacuum actuator - thats where I would look,
Any way an 02 should generate some codes to make it easy
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toolman0007
User
Feb 9, 2014, 12:57 PM
Post #5 of 7
(1844 views)
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Re: 02 isuzu trooper 4WD switch
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yes well from what i have read yes, the tod system should show codes. but there is nothing. yes I have already checked every thing at the differential have vacuum but no electric, that's why the 4w ds is being checked. although it sits on the very top of the trans and is not easy to get to, my idea of back probing in out the window. will just have to check it mid point on the harness.
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toolman0007
User
Feb 9, 2014, 12:59 PM
Post #6 of 7
(1842 views)
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Re: 02 isuzu trooper 4WD switch
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just a note I have a full layout of the system and the location of all items
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toolman0007
User
Feb 10, 2014, 10:47 AM
Post #7 of 7
(1827 views)
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Re: 02 isuzu trooper 4WD switch
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ok now that i have had time to check. blue and white- 12 volt is that a small blue with white dots and is the red and white a larger red wire with white stripe. just to confirm only blue and white wire going to switch and when checked barely lit up the test light. tested with key on in drive with four wheel switch on dash active
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