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  #1  
Old 01-28-2020
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jcs707 jcs707 is offline
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Default Jake modification

Want to change my jake so it comes on with the foot brake, and I plan to also keep current TPS method. For the new 3-way switch (TPS-OFF-BRAKE) I was thinking about pulling the brake on signal from the output of the Stop Light Relay (P13A). Is that the best way to do it?
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Clint & Tammy Summers
Atlanta GA / Lenior City TN

2000 LXI SS (Piper)
1977 FC 31 RB (Busta)
1995 WB 42 (The Magic Carpet) (sold)

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  #2  
Old 01-28-2020
Bikeboy57 Bikeboy57 is offline
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I have done this mod for many Newells. I use a three way double pole switch instead of the on off switch for the jake. I wire the relay to one side of the three way, and I wire the other on side to be the normal accelerator position of the switch.

That way with the switch in one on position, the jakes activate anytime the brake light is activated, and releases when the brake is released. With the switch on the other position, the jake activates when the accelerator is lifted. It is handy to keep this function to use the jake when descending grades without riding the brake.

I could dig up the schematic if that would help you. Let me know.
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  #3  
Old 01-28-2020
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Richard
I am interested in the schematic. I think it is here somewhere on WOG. I have been looking, but cannot find it.
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96wb42
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  #4  
Old 01-28-2020
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jcs707 jcs707 is offline
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Quote:
Originally Posted by Bikeboy57 View Post
I have done this mod for many Newells. I use a three way double pole switch instead of the on off switch for the jake. I wire the relay to one side of the three way, and I wire the other on side to be the normal accelerator position of the switch.

That way with the switch in one on position, the jakes activate anytime the brake light is activated, and releases when the brake is released. With the switch on the other position, the jake activates when the accelerator is lifted. It is handy to keep this function to use the jake when descending grades without riding the brake.

I could dig up the schematic if that would help you. Let me know.
Yea, I had this mod on my 95WB42 - George Morris did it. In the 'brake pedal' mode the Jake would activate just by tapping the brake and would stay activated until the throttle was depressed. You didn't have to ride the brake. It was great. Plus it had the normal TPS mode.

I have the schematics for my current LXI which are a lot different from my prior 95WB42. A DPST switch seems to be the way to go, I just need to make sure where to pull the brake light signal from ... which appears to be the output of P13A.

For LXI owners interested. The schematic for the Jake is in Book 1 Page 17. The schematic for the Stop Light Relay is in Book 3 Page 48
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Clint & Tammy Summers
Atlanta GA / Lenior City TN

2000 LXI SS (Piper)
1977 FC 31 RB (Busta)
1995 WB 42 (The Magic Carpet) (sold)

Semper Fi
----------------------------------------------------
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  #5  
Old 01-28-2020
ChrisRasman ChrisRasman is offline
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Very interesting!
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2003 Wanderlodge 40LX
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  #6  
Old 01-28-2020
Bikeboy57 Bikeboy57 is offline
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This schematic will give you the idea. I do not know the colors of wires on the Wanderlodge.

Clint, I used a DPDT switch. If you want the jake to stay on when you tap the pedal, you will need a latching relay.
Attached Files
File Type: pdf Jake Brake Schematic.pdf (672.9 KB, 26 views)
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  #7  
Old 01-28-2020
Bikeboy57 Bikeboy57 is offline
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Peter I met you at a Newell rally in Spearfish many years ago.
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  #8  
Old 01-29-2020
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Quote:
Originally Posted by Bikeboy57 View Post
This schematic will give you the idea. I do not know the colors of wires on the Wanderlodge.

Clint, I used a DPDT switch. If you want the jake to stay on when you tap the pedal, you will need a latching relay.
Ok, I was thinking a latching relay might be needed but I don't recall George rewiring any of the existing Jake relays when he made this mod on my 95 and I don't recall a new latching relay being added. Maybe he did.

I'm assuming the brake light can be used as the 'latch' and somehow a TPS signal is needed for the 'unlatch' on a latching relay.
__________________
---------------------------------------------------
Clint & Tammy Summers
Atlanta GA / Lenior City TN

2000 LXI SS (Piper)
1977 FC 31 RB (Busta)
1995 WB 42 (The Magic Carpet) (sold)

Semper Fi
----------------------------------------------------
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  #9  
Old 01-29-2020
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Richard
That was a good rally. I was the only Wanderlodge there. I was on my way to Ontario to visit family, and the rally just fit into the timetable perfectly.
If you ever make it this far west, be sure to give us a call.
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96wb42
Mid Door
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  #10  
Old 01-30-2020
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This is the drawing Andy Harmon gave me...For the WB's...it's pretty simple
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