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Old 07-07-2020, 06:10 PM   #1
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Default Wiring TPMS repeater in Sprinter 3500

Installing new TPMS in 24 foot Sprinter van with rear duallies. All the TPMS kits (including the TST 507 I am considering) call for wiring a signal repeater in the rear of the van.

Our conversion has most everything enclosed so I am struggling with where I can find a wiring location and how to wire it.

Anybody have experience with this issue on a Sprinter?

Thanks.
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Old 07-07-2020, 06:28 PM   #2
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Quote:
Originally Posted by GTSeattle View Post
Installing new TPMS in 24 foot Sprinter van with rear duallies. All the TPMS kits (including the TST 507 I am considering) call for wiring a signal repeater in the rear of the van.

Our conversion has most everything enclosed so I am struggling with where I can find a wiring location and how to wire it.

Anybody have experience with this issue on a Sprinter?

Thanks.
Just a thought after installing a rear wireless camera, you might try trying it without the repeater.

Bud
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Old 07-09-2020, 01:49 AM   #3
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Quote:
Originally Posted by GTSeattle View Post
Installing new TPMS in 24 foot Sprinter van with rear duallies. All the TPMS kits (including the TST 507 I am considering) call for wiring a signal repeater in the rear of the van.

Our conversion has most everything enclosed so I am struggling with where I can find a wiring location and how to wire it.

Anybody have experience with this issue on a Sprinter?

Thanks.
I've had the TST 507 TPMS on my 24 foot Sprinter van for over five years. Never had a repeater - system works fine. I have the flow-thru sensors and the batteries last about 18-24 months. I think the non-flow-thru screw on sensors have a longer life battery. I've only had to touch them twice a year. Once in winter to increase pressure due to cold temps and again in summer when it gets hot to reduce pressure setting.
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Old 07-09-2020, 09:12 PM   #4
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Quote:
I've had the TST 507 TPMS on my 24 foot Sprinter van for over five years. Never had a repeater - system works fine. I have the flow-thru sensors and the batteries last about 18-24 months. I think the non-flow-thru screw on sensors have a longer life battery. I've only had to touch them twice a year. Once in winter to increase pressure due to cold temps and again in summer when it gets hot to reduce pressure setting.
Boxter1971: Thanks so much for your very helpful reply. I will buy the flow through sensors and try it without repeater and see how it goes.
Did you have any issues supporting the inner tire valve stem as it comes through the outer wheel? A number of posters indicate problems with the weight of the TPMS sensors causing damage to the valve stem.
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Old 07-09-2020, 09:41 PM   #5
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I have never heard of anybody who has needed a repeater on a B-van. That is a Class-A thing.
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Old 07-10-2020, 02:23 AM   #6
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Boxter1971: Thanks so much for your very helpful reply. I will buy the flow through sensors and try it without repeater and see how it goes.
Did you have any issues supporting the inner tire valve stem as it comes through the outer wheel? A number of posters indicate problems with the weight of the TPMS sensors causing damage to the valve stem.
You have to replace any rubber valve stems with metal stems if you plan to add external screw-on sensors. If you put the sensor on rubber valve stems the stem will fail and you will get a flat tire.

I had the dually valve kit installed when I added TPMS. Here are the listings on Amazon. You will need a kit that matches you wheels.

https://www.amazon.com/Accu-Pressure...=Accu-Pressure

There are plenty of other sources:
https://www.shinyrv.com/product/dual...free-shipping/

https://yourtireshopsupply.com/categ...printer-trucks

https://www.ebay.com/itm/DL1SP-CHROM...G/202826479418
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Old 07-10-2020, 01:52 PM   #7
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Quote:
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Installing new TPMS in 24 foot Sprinter van with rear duallies. All the TPMS kits (including the TST 507 I am considering) call for wiring a signal repeater in the rear of the van....
I have a 24 foot Born Free on a Ford 350 dually chassis. My TPMS is a EezTire with NO repeater. Works!
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Old 07-19-2020, 04:37 PM   #8
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I have a 22' Roadtrek and pull a 12' dual axle trailer. all 10 tires (2 spares) have TST 507 sensors. Do not need a repeater. I have a mix of flow through and non flow through. Non flow through are lighter and less stress on the valve stem.

To put air in tires with either sensor, something has to be unscrewed. No difference to me removing a non flow through sensor or the plastic cap on the flow through. Also, one of my flow through sensors does not accept air, but works OK otherwise.

I do not use any of the security features that these sensors come with.
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Old 07-26-2020, 02:04 AM   #9
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Class B vans don't need repeaters. I have used a TPMS in my 2016 Sprinter Van 3500 now for several years and when a towing a single axle car dolly with a car front end on it and have used tire pressure monitors on both the dolly and rear wheels of the car besides on all wheels of the Sprinter and have never had any problems with signal strength. You need signal repeaters only for much longer motorhomes with trailers.
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Old 07-26-2020, 03:51 PM   #10
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Below is TST's July 10, 2020 response to my question about Flow-through vs Cap Sensor and valve stem type.

You may keep the rubber valve stems if you use the RV cap style sensors. If you choose the flow through sensors, you will need to change them to metal stems. Keep in mind that the flow through sensors are about 1 3/4” long, so you must also have deeper wheel wells so they do not stick out too far from the tire.

I received my new in box TST-507-10RV yesterday. Page 1 of the Installation Manual states

Cap and Flow-through sensor batteries last approximately one (1) year.
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Old 07-29-2020, 08:29 PM   #11
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Has anyone used the Tuson system? A review I saw says it's made by an OEM supplier.

http://www.etrailer.com/TPMS-Sensor/...TPMS6WIVS.html
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