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Old 09-03-2013, 11:20 PM   #1
Tradewind98's Avatar

Freightliner Owners Club
Join Date: Jan 2010
Location: CA
Posts: 37
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Exhaust brake fuse blows

I have a 1998 National Tradewinds on a Freightliner chassis Cat 3126B. My exhaust brake quit and I discovered a blown 5A inline fuse. I replaced the fuse and everything was good. But going down a hill, I had the exhaust brake on and it was working fine. But I needed to use my air brakes to slow me down more. When I applied the brakes, the fuse blew again.
I replaced the fuse. I can use the Exhaust brake, and if I switch it off, I can use the air brakes and the fuse won't blow.
Any ideas?

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Old 09-04-2013, 09:41 AM   #2
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Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 15,606
I see you've been a member for a while but not posting.
A few questions.
Is this a new problem ? Or a problem on a coach that is new to you ?
Are you towing a trailer or toad ?
I have wiring diagrams for my 99 F/L chassis and don't show an in-line fuse, in the exhaust brake system. All in fuse boxes.
I'll double check , but without looking right now , I think all the fuses related to exhaust brake operation , are 10 amp, on my chassis anyway.
Because, the F/L chassis , activates the brake lights when the exhaust brake is active there may be a cross feed, some where.
Freightliner's free help line may be able to help. 1-800-385-4357, have your serial number handy. When your on the phone , inquire about Access Freightliner, for online access to wiring diagrams, and other info, specific to your coach, sign up takes a while but is worth the effort.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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brake, fuse

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