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Old 07-14-2009, 09:52 AM   #15
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2005 30' Classic
1986 34.5' Airstream 345
Fallon , Nevada
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I am looking for the wiring diagram for the P30 chassis for an 1986 345. I have the factory 12volt panel and the 110vac but nothing showing the tie in for the chassis to the body. My upper clearence lights do not function. I am hoping it is just a ground problem or a loose wire.
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Old 07-14-2009, 10:10 AM   #16
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Originally Posted by JerryDyann View Post
I am looking for the wiring diagram for the P30 chassis for an 1986 345. I have the factory 12volt panel and the 110vac but nothing showing the tie in for the chassis to the body. My upper clearence lights do not function. I am hoping it is just a ground problem or a loose wire.
Jerry,

I don't think the P30 chassis manual shows the clearance lights. Those lights were wired by Airstream. They should be tied into the parking lights on the chassis via the IBCC light switch on your dash. Should be the last switch on the left of your dash. At least it is on our 1984 310.

I don't have an 86 specific wiring diagram for the chassis but I do have an 84 that might help you out some. I'll see if I can track it down and post it for you.

Brad
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Old 07-14-2009, 01:48 PM   #17
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2005 30' Classic
1986 34.5' Airstream 345
Fallon , Nevada
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thanks, The biggest problem i am having is the rats nest under the dash. i have the light switch out and it seems the 12volts is leaving the switch but getting lost in some interconnect. it does not show up at any of the lights. I used a circuit tracer on what i thought was the hot wire and the tone did not show up at the dash. As a point of interest i found a reference to a place that had manuals.
Dale & Shirley Duke
Secretarial Services
937-492-8885
secserv@bright.net
He had the manual for the 1987 345
it is over 400 pages and cost $60 plus $5 shipping
i ordered it. i will let you know how helpful it is
Jerry
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Old 07-14-2009, 02:04 PM   #18
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Jerry,

Yep, rats nest is the best way to describe the wiring under the dash of an Airstream motorhome . Doing what you're doing is about the only way to solve the problem you're having. Eventually you'll find the location where the connection/part is bad.

The service manual I bought from the same place covers the 310, 325 and 345 from 1984 thru 1986. Send me a PM if you're interested in a PDF file of it.

Brad
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Old 07-14-2009, 03:22 PM   #19
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always interested in more info. I just purchased this 86 345 two weeks ago
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Old 07-14-2009, 03:51 PM   #20
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thanks, i would appreciate any more info for this unit.
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Old 07-16-2009, 05:22 PM   #21
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79-81 Airstream MoHo owner's manual

Service and Onan manuals to come next.
(I have a high speed scanner here at work)
-Kevin
Attached Files
File Type: pdf 79-81ASMHOM1.pdf (4.76 MB, 129 views)
File Type: pdf 79-81ASMHOM2.pdf (4.68 MB, 108 views)
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Old 07-16-2009, 05:37 PM   #22
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79-81 Airstream MoHo Service manual

2 of 4 parts.
-Kevin
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File Type: pdf 79-81ASMHSM1.pdf (4.49 MB, 344 views)
File Type: pdf 79-81ASMHSM2.pdf (3.94 MB, 325 views)
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Old 07-16-2009, 05:45 PM   #23
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79-81 Airstream MoHo Service manual

Part 3-4 of 4 parts.
-K
Attached Files
File Type: pdf 79-81ASMHSM3.pdf (4.24 MB, 291 views)
File Type: pdf 79-81ASMHSM4.pdf (5.13 MB, 436 views)
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Old 07-16-2009, 05:49 PM   #24
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Onan Service Manual - late 70s early 80s

I think I've used up all my attachment allocation now.
-Kevin
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File Type: pdf ONAN service manual.pdf (6.51 MB, 88 views)
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Old 07-21-2009, 11:49 AM   #25
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2005 30' Classic
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i found the bad connection behind the dash, it was between the icc blink and the light switch. There were two blue inline splices. one used correctly and the one at fault was to large forthe wire being used. It showed overheat and corrosion. Soldered the two wires together to eliminate the problem. The hazard light problem 75%cured with new column switch still have right rear blinker out. next inline to troubleshoot
Thanks for all the info
Jerry
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Old 07-21-2009, 07:26 PM   #26
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PDF Page 20

I also have a 1979 Owner's Manual and on page 20 in my book the maximum loaded trailer weight which it can pull is 4,000 lbs. I think your manual has been changed. Anybody else????
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Old 07-21-2009, 08:24 PM   #27
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Quote:
Originally Posted by JerryDyann View Post
i found the bad connection behind the dash, it was between the icc blink and the light switch. There were two blue inline splices. one used correctly and the one at fault was to large forthe wire being used. It showed overheat and corrosion. Soldered the two wires together to eliminate the problem. The hazard light problem 75%cured with new column switch still have right rear blinker out. next inline to troubleshoot
Thanks for all the info
Jerry
Jerry,

Sounds like you're making progress.

Another area or component that is prone to failure is the ignition switch. There is a 30 amp contact that feeds the main fuse block where the heater/ac blower connects as well as the air conditioner clutch and the air compressor for the rear air bags are powered from. When we got our 310 the wire to all three of those components were melted and the connectors were shot. Just the air bag compressor alone can draw near 30 amps and then when you add the heater blower motor you're overloading the contact on the ignition switch. Kind of a dumb installation by Airstream if you ask me.

The best fix for the problem is to use that contact on the ignition switch to energize several relays where you can spread the load across multiple contacts. This means redoing or replacing the main fuse block with something more easily modified but well worth it if you ask me. I haven't done this mod yet but I'm going to as I constantly have low battery voltage because of this issue.

I did change the location for power feed to the rear air bag compressor by adding a relay in near the compressor and running power to it from the generator compartment where the big battery cable connects to the starter solenoid. The compressor started running better after that mod.

Anyway I have a lot of electrical mods planned for our 310. Who knows someday I might even get them done .

Brad
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Old 07-24-2009, 11:09 AM   #28
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2005 30' Classic
1986 34.5' Airstream 345
Fallon , Nevada
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I received the book from Secretarial Services and it is a big help. Still chasing the tail light open. While chasing the wires i found a section above the muffler that got hot and melted the outer insulation. I think it was from the muffler install not just heat. follwed the wire to the dash and now it looks like i have to pull the fuse block to get to the connecter behind it. What i have Found out so far is that The unit quit on the former owner and they tried pouring gas in the carborater, which produced a fire. I have found extingisher media in all the connecters. I new of the fire when i bought the unit. which meant that i had to do some reupholstery. That is done. still a lot of items to check and service.
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