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1986 Mallard Motorhome
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Location: Flagstaff, AZ
Member Since: 12-18-2018
Posts: 4
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We just purchased a 1986 Mallard that basically needs total restoration. Previous owner got it totally gutted but bought all new cabinets and some appliances but never had any time to work on it...now it's my turn. I'm basically starting from scratch and I want to know where I can get schematics for the electrical and plumbing. Any guide in the right direction would help tremendously,thank you in advance.
Supporting Member of Barthmobile.com 1/19
Picture of Steve VW
Location: Kalkaska, MI
Member Since: 02-04-2011
Posts: 3838
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Congratulations entering the world of orphan motorhomes!

(It would be helpful to know what chassis/engine you have...) We have some info on the GM 454 P chassis and some Gillig and Spartan diesel pushers but info on your coach itself will be limited to whatever appliances you have in common. (Dometic ACs and refrigerators, Onan generators, etc.)

Try the search feature on this site. We have some good archived materials that may help.

Good luck.


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 300 hp
Location: Flagstaff, AZ
Member Since: 12-18-2018
Posts: 4
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The chassis is a Chevy with a 454(7.4 L). Judging by the VIN # I believe it's a P 37.
Supporting Member of Barthmobile.com 1/19
Picture of Steve VW
Location: Kalkaska, MI
Member Since: 02-04-2011
Posts: 3838
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Good. We have a fair amount of info on the GM stuff, as I can attest. (My previous Barth was an 86.) We have service manual, schematics and several threads on service.

Try here: http://www.barthmobile.com/eve...s/a/frm/f/3731087061

and here:
http://www.barthmobile.com/eve...&s=7031072951&cdra=Y

and here:
http://www.barthmobile.com/eve...&s=7031072951&cdra=Y

Do a search for my threads (Steve VW) on brakes, engine, etc (My 454HO engine swap thread is over 50,000 views now!)

Let me know if I can help.


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 300 hp
Glassnose Aficionado
Supporting Member of Barthmobile.com 2/09
Picture of Danny Z
Location: Venice Fl.
Member Since: 07-12-2004
Posts: 3599
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Years ago I posted a hand drawn schematic of the wiring system for a dual battery house, single battery start, with a generator, converter, and isolator. It helped me a lot on the Euro and might help others with this setup. I just don't know how to find it now and as I am still a working man I don't have time [or the patience] to try to get it on PB to repost.


79 Barth Classic
Supporting Member of Barthmobile.com 1/19
Picture of Steve VW
Location: Kalkaska, MI
Member Since: 02-04-2011
Posts: 3838
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I ran a search for that post but it appears the link has been lost. It was back in 2005. Frowner


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 300 hp
Location: Flagstaff, AZ
Member Since: 12-18-2018
Posts: 4
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Thanks for the info,I will look in to those links and I'm sure I'll find useful stuff...



quote:
Originally posted by Steve VW:
Good. We have a fair amount of info on the GM stuff, as I can attest. (My previous Barth was an 86.) We have service manual, schematics and several threads on service.

Try here: http://www.barthmobile.com/eve...s/a/frm/f/3731087061

and here:
http://www.barthmobile.com/eve...&s=7031072951&cdra=Y

and here:
http://www.barthmobile.com/eve...&s=7031072951&cdra=Y

Do a search for my threads (Steve VW) on brakes, engine, etc (My 454HO engine swap thread is over 50,000 views now!)

Let me know if I can help.
Location: Flagstaff, AZ
Member Since: 12-18-2018
Posts: 4
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Thanks Steve, I've downloaded the P30 Service manual (all 3 parts). Looking to put a new converter in as well asap. Haven't searched for that subject yet,but I'm sure there's something useful here somewhere.
Supporting Member of Barthmobile.com 1/19
Picture of Steve VW
Location: Kalkaska, MI
Member Since: 02-04-2011
Posts: 3838
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Good! I am glad you could use it. It took a while to scan but it has over 27,000 views now so I guess it was worth it! (I left out some parts that did not pertain to motorhomes.)

I have installed 3 Progressive Dynamics convertors in the past few years, 2 40 amps and 1 60 amp unit. They seem to work well. I leave them plugged in all the time and I have never had to add water to the batteries.

I have seen only one Mallard coach so far, around 28 ft long. Looks like a pretty nice coach. Good luck with yours! Thumbs Up


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 300 hp
Supporting Member of Barthmobile.com 7/17
Picture of Mogan David
Location: Jackson, Michigan, USA
Member Since: 04-18-2004
Posts: 1959
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Good luck with your vintage motor home.
I’m very pleased w AIMS inverter/converter I bought from Amazon. Note that it is Pure Sine Wave.
AIMS Power 2000 Watt 12 VDC Pure Sine Inverter Charger w/ 6000W Surge
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