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I have a 2008 ltd edition h2. Recently I loaded and

Customer Question
transported several 80 lb bags...
I have a 2008 ltd edition h2. Recently I loaded and transported several 80 lb bags of quickcrete cement mix. Not thinking about the air suspension ride I now have the rear end sagged down. The bags look fine and I still have the dash light come on when I initiate the control to raise the rear height but the unit is not functioning. Is it possible I may have blown out a fuse or relay? The rear switch for the air compressor also does not light up and I do not hear the compressor unit start.
Submitted: 10 months ago.Category: Car
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Answered in 22 minutes by:
10/4/2017
Auto Mechanic: Dan, Technician replied 10 months ago
Dan
Dan, Technician
Category: Car
Satisfied Customers: 26,051
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Hello, my name is ***** ***** I'm here to help get your problem solved.

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Auto Mechanic: Dan, Technician replied 10 months ago

Check fuse 51 and fuse 32 under the hood, one of them are probably blown. Let me know, thanks.

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Customer reply replied 10 months ago
Dan I swapped out those 2 fuses with 2 other like fuses in other slots. The fuses from 51 and 32 both worked in the new slots so it looks like it was not either of those fuses were blown. I did put air from my garage air compressor into the valve inside the rear compartment and it did raise the rear up but I don't think that will last too long.
Auto Mechanic: Dan, Technician replied 10 months ago

Next thing I'd do is check power/ground at the suspension module and if both are good then it has probably failed. The module is what lights up switch so fact switch isn't even lighting up tells us problem is module, power, or ground. Here is a wiring diagram to help with testing, let me know if you have questions. Thanks.

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https://www.dropbox.com/s/k09kbg4qe8qe33g/ss.pdf?dl=0

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Auto Mechanic: Dan, Technician replied 9 months ago

Ever get it figured out? Please do not forget to rate answer. Thanks.

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