electrical issue's
#1
05-30-2013, 02:29 PM
Join Date: May 2013
Location: South Dakota
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electrical issue's
Ok so after having installed my gauges into my truck (egt, tran, and boost) I ran across two electrical issue's in which everything seems in working order from top to bottom, as far as wiring is concerned.
My windshield wiper controls work when they want to i.e it wont work until I max it out, then sometimes if I get it on low settings it will make it wipe twice...then return to a normal intermittent status. Mind of its own
Next issue is my overhead dome lights work in the opposite way they should i.e when I open my door I can turn them on and off. Then if I have my door closed it wont activate period.
BRAIN IS FRACKED.
My windshield wiper controls work when they want to i.e it wont work until I max it out, then sometimes if I get it on low settings it will make it wipe twice...then return to a normal intermittent status. Mind of its own
Next issue is my overhead dome lights work in the opposite way they should i.e when I open my door I can turn them on and off. Then if I have my door closed it wont activate period.
BRAIN IS FRACKED.
#4
05-30-2013, 05:52 PM
Totally integrated power module (05 and up) or body control module (more likely culprit) . You'll need a shop to take a look and determine where the issue lies, it could be switch related, module related or load related (the device which is malfunctioning.) The best way to achieve this would be a scan tool which allows you to see body control inputs & outputs. From here conventional dvom/scope testing can be used to complete final testing which will confirm data retrieved from the module and lastly component failure verification.
This is typically a diagnosis or repair performed by a shop and typically not recommended for a diy'er. That's simply because failure verification requires expensive equipment. Trying it without is nothing short of a calculated guess
.
My reason for calling module or control systems and not switch or load (component) failure is the involvement. Occasionally you'll have a call in with a similar problem, which turns out to be operator error, in which the customer doesn't understand the operation of a switch or the way the system "operates".
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This is typically a diagnosis or repair performed by a shop and typically not recommended for a diy'er. That's simply because failure verification requires expensive equipment. Trying it without is nothing short of a calculated guess
.My reason for calling module or control systems and not switch or load (component) failure is the involvement. Occasionally you'll have a call in with a similar problem, which turns out to be operator error, in which the customer doesn't understand the operation of a switch or the way the system "operates".
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#5
05-30-2013, 11:53 PM
Join Date: May 2013
Location: South Dakota
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#6
05-31-2013, 07:07 AM
Totally integrated power module (05 and up) or body control module (more likely culprit) . You'll need a shop to take a look and determine where the issue lies, it could be switch related, module related or load related (the device which is malfunctioning.) The best way to achieve this would be a scan tool which allows you to see body control inputs & outputs. From here conventional dvom/scope testing can be used to complete final testing which will confirm data retrieved from the module and lastly component failure verification.
This is typically a diagnosis or repair performed by a shop and typically not recommended for a diy'er. That's simply because failure verification requires expensive equipment. Trying it without is nothing short of a calculated guess.
My reason for calling module or control systems and not switch or load (component) failure is the involvement OF MULTIPLE COMPONENTS.. Occasionally you'll have a call in with a similar problem, which turns out to be operator error, in which the customer doesn't understand the operation of a switch or the way the system "operates".
Sent from my DROID RAZR using Tapatalk 2
This is typically a diagnosis or repair performed by a shop and typically not recommended for a diy'er. That's simply because failure verification requires expensive equipment. Trying it without is nothing short of a calculated guess
.My reason for calling module or control systems and not switch or load (component) failure is the involvement OF MULTIPLE COMPONENTS.. Occasionally you'll have a call in with a similar problem, which turns out to be operator error, in which the customer doesn't understand the operation of a switch or the way the system "operates".
Sent from my DROID RAZR using Tapatalk 2
fixed my original post.
The wiring is different and the 04 uses a front control module (I think that is what its called) which mounts to the power distribution center.
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