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02-05-2014, 09:13 PM
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#1
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Junior Member
Join Date: Apr 2013
Posts: 20
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Fuse block needed
On my '01 Alpine 34FDDS I had one fuse on the 'accessory panel' fuse block cook itself to death. Now the high speed of the A/C fan does not work. The fuse block has a WR part number of 7651-62926-00 and a Bussman number of 30082-OC. It appears to be a sealed unit with 5 input/output plugs. I have been unsuccessful in obtaining a replacement. I have tried a Bussman distributor who could not find the number. Probably no longer made. I tried Aubreys and the local RV parts houses with no success. I checked RV salvage yards in Kentucky, Arizona and Missouri. Any help would be appreciated. Jim Perry.
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02-05-2014, 10:09 PM
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#2
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Senior Member
Alpine Owners Club Winnebago Owners Club
Join Date: Oct 2005
Location: Home is between Salinas and Monterey, CA
Posts: 241
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Jim,
Many of the electrical items in an RV are similar to electrical items on boats. I suggest you go to westmarine.com and look for similar items, possibly made by Blue Sea Systems. West Marine has local stores in many US cities, especially if you're close to a coast or big lake.
Good luck,
__________________
Mike and Mike (Michele)
2017 Winnebago Tour 42HD
Previously: 2004 Alpine 34 FDDS
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02-05-2014, 11:05 PM
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#3
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Jim-part a pic of the part you are seeking
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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02-06-2014, 06:49 AM
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#4
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Senior Member
Alpine Owners Club
Join Date: Mar 2009
Location: Surprise, AZ
Posts: 836
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You could try one of the "parting out" sources that has Alpine Coaches.
__________________
Bob Bowers (Surprise, AZ)
2003 Alpine Coach 40' FDTS
2014 Jeep Cherokee Lattitude
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02-06-2014, 09:31 AM
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#5
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Senior Member
Join Date: Oct 2009
Location: Sonora, CA
Posts: 141
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Seems like the bigger question might be what caused the fuse block to "cook" itself. If you replace it it might cook itself again.
If you know the value of the fuses there should also be a work-around.
I have an 01. Are these fuses located in the toilet behind the removable panel, or in the battery compartment, or?
__________________
2001 Alpine Coach 36'
2013 Jeep Grand Cherokee Towed
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02-06-2014, 09:45 AM
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#6
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Senior Member
Join Date: Oct 2012
Location: Foley AL
Posts: 7,138
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Quote:
Originally Posted by jprepairs
On my '01 Alpine 34FDDS I had one fuse on the 'accessory panel' fuse block cook itself to death. Now the high speed of the A/C fan does not work. The fuse block has a WR part number of 7651-62926-00 and a Bussman number of 30082-OC. It appears to be a sealed unit with 5 input/output plugs. I have been unsuccessful in obtaining a replacement. I have tried a Bussman distributor who could not find the number. Probably no longer made. I tried Aubreys and the local RV parts houses with no success. I checked RV salvage yards in Kentucky, Arizona and Missouri. Any help would be appreciated. Jim Perry.
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This is a little odd. Most dash fans have a resistor block assembly that provides the various speeds for the fan. Usually, when it fails, the DEFAULT is high speed and that's the only speed that works. You may want to check it ... it's usually in the plenum that the fan assembly is mounted on.
Frequently looks similar to this:
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2005 Newmar Essex 4502, 2013 Caddy SRX
1997 HR Endeavor 37, CAT, 1996 Geo Tracker
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02-06-2014, 12:46 PM
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#7
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Senior Member
Join Date: Nov 2007
Location: Charleston, WV
Posts: 3,467
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Quote:
Originally Posted by bruceisla
This is a little odd. Most dash fans have a resistor block assembly that provides the various speeds for the fan. Usually, when it fails, the DEFAULT is high speed and that's the only speed that works. You may want to check it ... it's usually in the plenum that the fan assembly is mounted on.
Frequently looks similar to this:
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On the Alpine the first 3 speeds are controlled by the resistor block, the high speed is operated by a relay as the current is too high to go through the switch. So if high speed works but lower speeds do not it is a bad resistor block.
__________________
John and Mary Knight
2015 Newmar Ventana 4311 - wheelchair accessible
2015 Cadillac SRX Luxury AWD
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02-06-2014, 02:04 PM
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#8
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Senior Member
Join Date: Oct 2012
Location: Foley AL
Posts: 7,138
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Quote:
Originally Posted by Algoma
On the Alpine the first 3 speeds are controlled by the resistor block, the high speed is operated by a relay as the current is too high to go through the switch. So if high speed works but lower speeds do not it is a bad resistor block.
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So, if HIGH does not work, the relay circuit must be the culprit.
__________________
2005 Newmar Essex 4502, 2013 Caddy SRX
1997 HR Endeavor 37, CAT, 1996 Geo Tracker
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02-06-2014, 04:41 PM
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#9
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Here is the offending fuse/relay "Vehicle Electrical Center" or VEC (these are on all Alpine Coaches from 97-2003):
Apparently the fuse socket was loose & allowing arcing. These VECs look mysterious but are really just a straight forward wiring method to incorporate fuses & relays in a space efficient package. There is no electronic wizardry or programming involved. So Jim can just cut out the circuit by clipping the associated I/O wiring, and install a new fan relay around the VEC circuit.
I made up a longer treatise on the issue which due to the photos is too large to post here, but I'll have it uploaded to the Alpine Tech Library. Here is the subject VEC Schematic showing the 25A fuse on the pin87 output of the fan relay, and showing you could wire the circuit around the VEC by adding a new relay w/separate +12v (pin30 on new relay) & ground for coil (pin85), and clipping VEC wires (see top of photo below) BLOWER-HI to connect to pin87 & BLOWER-RLY to connect to coil pin86:
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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02-06-2014, 07:05 PM
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#10
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Junior Member
Join Date: Apr 2013
Posts: 20
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This fuse block is located on the passenger side, interior side of firewall.
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02-07-2014, 09:28 AM
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#11
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Rather than replace the entire block, Why not just bypass that socket with a good high quality in-line socket? That is how I'd do it.
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Home is where I park it!
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02-13-2014, 10:17 PM
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#12
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Member
Join Date: Jul 2011
Location: Puyallup, WA, Frenchtown, MT, & Bend, OR
Posts: 98
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Found on Ebay
I ran across this on Ebay. It looks very very similiar, but you might want to contact them to make sure.
RV Bus Bussmann 12v Battery Fuse Panel Breaker Relay Box WRV Alpine ACC OEM
RV Bus Bussmann 12V Battery Fuse Panel Breaker Relay Box WRV Alpine Acc | eBay
__________________
Bruce & Donna, plus 2 Rhodesian Ridgebacks
2003 Alpine Coach 36-FDDS, WA, MT & OR
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02-14-2014, 11:45 AM
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#13
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Junior Member
Join Date: Apr 2013
Posts: 20
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I was able to follow EngineerMikes advise that he posted on Feb. 6th. The fan now works. Thanks for all the input.
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