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Old 05-24-2018, 03:12 PM   #1
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1986 34.5' Airstream 345
Malibu , California
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Ignition Switch Issue

Greetings All-

The ignition in my '86 345 w/454 is acting up. I have to keep engaging it quickly until it eventually fires up. It doesn't click or make any noise and then eventually it just starts. The battery is fine, it seems to be in the connection. I was told there is a park sensor on the transmission that controls the power to the starter. I moved it in and out of park and to neutral, and that works occasionally. Any thoughts on my best course of action to fix the problem. Thx!
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Old 05-24-2018, 03:56 PM   #2
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1982 31' Airstream 310
champaign , Illinois
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If it were me I would buy a new ignition switch to replace the 32 year old unit. They go bad, and while you're in that electronic mood, might want to replace the headlight switch also. They have a very high load and are prone to wear out. Neither are high dollar and better to do in your driveway than in a remote spot on the road. 32 years of wear on those contacts in both switches.....that would be my course of action.
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Old 05-24-2018, 04:04 PM   #3
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If you have another key try it as I have seen that cause the switches not to engage.



This may help
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Old 05-24-2018, 04:22 PM   #4
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1984 31' Airstream310
Honokaa , Hawaii
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After replacing the starter and battery, I think that I finally fixed my staring problems by removing, cleaning, and tightening the ground strap from the left rear of the engine block to the frame. If Iím wrong, the switch will be next. Anybody have a part number?
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Old 05-24-2018, 05:05 PM   #5
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Oxford , Oxfordshire
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I would try cleaning and re-connecting the starter solenoid and grounds. Disconnect batteries in advance.
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Old 05-24-2018, 06:40 PM   #6
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ACDelco D1406A Professional Ignition Switch https://www.amazon.com/dp/B000C9Q1GQ?ref=yo_pop_ma_swf
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Old 05-24-2018, 08:14 PM   #7
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Quote:
Originally Posted by chiefair View Post
ACDelco D1406A Professional Ignition Switch https://www.amazon.com/dp/B000C9Q1GQ?ref=yo_pop_ma_swf
Thank you, just ordered one.
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Old 05-24-2018, 09:52 PM   #8
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Thanks Everyone...I will report back!
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Old 06-09-2018, 08:42 AM   #9
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I was wrong about the ground strap fixing my problem. After replacing battery, starter, and ignition switch I could not find the problem and took it to a shop. They found a bad relay that had been wired into the signal wire to the starter solenoid, it was located near the air cleaner. The shop had not seen this setup before, could not find a replacement, and fixed it by jumping the terminals in the plug to the relay. Donít know whether this was the Ford hot start fix, but it gave me a lot of grief. At least now I have a mean green starter.
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Old 06-09-2018, 09:04 AM   #10
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Not sure I would leave the relay bypassed unless you know what the relay was for.

You can buy general purpose 30 amp relays from Billy Dog for about $7.00 each. Consider getting one and removing the Hot Wite Job.
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Old 06-09-2018, 10:55 AM   #11
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Quote:
Originally Posted by Waipio Rim View Post
I was wrong about the ground strap fixing my problem. After replacing battery, starter, and ignition switch I could not find the problem and took it to a shop. They found a bad relay that had been wired into the signal wire to the starter solenoid, it was located near the air cleaner. The shop had not seen this setup before, could not find a replacement, and fixed it by jumping the terminals in the plug to the relay. Donít know whether this was the Ford hot start fix, but it gave me a lot of grief. At least now I have a mean green starter.
Steve,

If it had large battery cables going to it then that would be the Ford hot start relay.

OEM Ford starter solenoid, I've heard the chinese knock-offs are junk.

Brad
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Old 06-14-2018, 11:19 AM   #12
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Brad,

It doesnít look like that, itís an old 4 pin in a silver metal case with no markings. Heavy wires, maybe 6 or 8 gauge, but not battery cable. Will post a photo when I can, but I am not looking hard for a replacement.

The awning rail is on but I still need to cut off the rivet heads. I would ask to borrow your shaver but we have wandered off to Prince Edward Island in Canada. Thanks again.
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Old 06-14-2018, 05:03 PM   #13
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Originally Posted by Waipio Rim View Post
Brad,

It doesnít look like that, itís an old 4 pin in a silver metal case with no markings. Heavy wires, maybe 6 or 8 gauge, but not battery cable. Will post a photo when I can, but I am not looking hard for a replacement.
Where do the 6/8 guage wires go?

Quote:
The awning rail is on but I still need to cut off the rivet heads. I would ask to borrow your shaver but we have wandered off to Prince Edward Island in Canada. Thanks again.
Glad you've got the rail back on!

You can trim the rivet stems with nippers and then use a dremel with cutoff wheel to cut the stems right down the top of the rivet. After that you can dress them with a file. Time consuming but does work.

Brad
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Old 06-14-2018, 10:06 PM   #14
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Is this the type you have? https://www.ebay.com/itm/NEW-12V-150...wAAOSwH3haC7~-
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