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Hobbs Tail Light Switch/Cruise Control Issue.

December 12, 2013, 09:22:50 pm

Tail lights are working OK but my cruise control (via ECM) notes the Hobbs switch is not signaling the ECM (enough) to allow the CC to work.

Anyone know the location of this particular Hobbs Switch is (if you have a PN all the better)?
Thanks, PC

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #1 – December 12, 2013, 11:11:44 pm

Check the left front compartment where the generator radiator and blower are located. You should see 2 round switches about 2 inches in diameter with 2 studs on each one with wire going to them. On each switch you should have one stud with 12 volts and the other stud with no voltage until the brake is applied

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #2 – December 13, 2013, 02:39:36 pm

Haldex BE13250?  (not Hobbs)

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #3 – December 13, 2013, 04:36:30 pm

Cheapest price is here where I bought mine in 2012:
Switches :: Lighting/Electrical Switches :: Haldex BE13250 Stoplight Switch -

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #4 – December 16, 2013, 01:47:15 pm

Thanks Peter, 
Was this one of the two near the radiator or the one by the emergency button?  Are all the three the same PN? 
I've ohm'd all three and it's looking like something other than the switches are at issue..  tail lights are on my list.  pc

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #5 – December 16, 2013, 07:26:52 pm

Quote from: pocketchange – December 13, 2013, 02:39:36 pm

Haldex BE13250?  (not Hobbs)

Would you happen to remember if it was the inboard or outboard 2" sensor?

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #6 – December 16, 2013, 08:55:59 pm

Do your brake lights light up when you step on the brake? If they do not and the brake light switches are working, could be bad bulbs. Many cruise controls have to see a certain resistance in the circuit, which is provided by the bulbs.

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #7 – December 17, 2013, 08:37:36 pm

Bulbs are typical type output, with no issues.
I'm going through the systems and cleaning up the result of nearly 20 years of fun (& road grime). 
Something is loose somewhere and I've replaced the battery in my ohm meter.  Time will out.  pc

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #8 – December 18, 2013, 01:23:11 pm

Anyone know if there is another sensor other than the EPS/CPS that inputs to the ECM/Cruise Control circuit.
I've not located any other sensors in the circuit but look forward to finding something I've missed.. Thanks, pc

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #9 – December 18, 2013, 01:54:27 pm

I've never checked this, but I believe there is a valve at the accelerator pedal. Don't know if there are electrical connections at this point in the circuit.

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #10 – December 18, 2013, 06:53:02 pm

Bendix  T-290434-C & 286392

Looking for a brake light switch that cross's over to one of these numbers.
This is the larger of the 2 manifold switches (I need a pair).. pc

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #11 – December 18, 2013, 07:09:12 pm

Ford truck air brake switch D8HZ-2A574A,Hobbs 76575,Spartan 993080-0104

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Re: Hobbs Tail Light Switch/Cruise Control Issue.

Reply #12 – December 19, 2013, 11:18:07 am

The Ford PN pulls up (unless the pic isn't a rep of the actual part) what looks to be a single pole switch..  did I miss where this particular piece goes since it looks nothing like the other Hobbs and larger Bendix switches?? 
Which I have located btw.  The ears fell off of both Hobbs switches (in place since 95').  Thanks, pc

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