Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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Replacing my intermittent pilot module (S86H1006) with the universal S8610U. my original module has 2 terminals labeled 24V1 and 24V2. Where do I connect the wires on the new module?

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Posted on Jan 02, 2017

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SOURCE: honeywell s861ou 3009 intermittent pilot module

What is the wire on the old control.....what terminal is it on??....When replacing old controls the new ones often have different terminals and sometimes incorporate some terminal internally etc....the Wiring Diagram included should be followed exact....if it's working fineit's likely ok....if you have any doubt have it looked at by an expert

Posted on Oct 26, 2009


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I need the wire drawings to change from the Johnson G770, or the Fenwal 35-63J To the Honewell S8610U Universal intermittent gas ignition control.

Hello. I've attached multiple schematic diagrams for different configurations of this control. I hope one of the pix helps you delineate the different connections. The last several schematics were too large for a single screenshot so there are 2 pix for each of those schematics.














Sep 16, 2015 | Honeywell S8610U3009 Universal...

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Winshield wiper delay intermitent module making noises

The wiper delay is in the steering column. It's a small box about 2 x 2 inches with a wiring harness attached. With the testing procedures I found below, you should be able to figure it out. I found wiper delays on eBay for around $10 to $20. Good luck.

WINDSHIELD WIPERS CHEROKEE, COMANCHE & WAGONEER 1. POWER INPUT Remove circuit breaker. Test battery side of circuit breaker. If battery voltage is not present, repair open to splice. Test across circuit breaker terminals. Tester reading should be zero (0) ohms. If not, replace circuit breaker. 2. GROUND Connector A unplugged. Test terminal G. Tester reading should be zero (0) ohms. If not, repair open to ground. 3. INTERMITTENT WIPERS Ignition switch in ACCY. Remove delay module and plug connectors together from the module. If wiper operate in LO and HI speed modes and mist (washer) is working, if wipers and mist operate, replace intermittent module. If not go to step 4. 4. WIPER/WASHER SWITCH Ignition in RUN, wiper switch position as indicated, back probe switch side of connector A for standard, connector B for intermittent: Test connector terminal E-wiper switch in LO and mist/intermittent. If battery voltage is not present, replace switch. test connector terminal C-wiper switch in HI. If battery voltage is not present, replace switch. Test connector terminal F-wiper switch to OFF. If battery voltage is present until wipers stop and then voltage drops to zero (0), system is working fine. If this does not occur, replace switch. 5. INTERMITTENT WIPERS Connector B unplug. Test across terminal A and D while rotating switch from minimum to maximum delay. If tester reading is not between 0-500 ohms, replace switch. Test across terminal A and G while rotating switch from minimum delay to maximum delay. If tester reading is between 0 and 500 ohms, replace wiper module. If not replace switch. 6. WIPER MOTOR Ignition in ACCY, wiper switch position as indicated, probe connector D. Test connector terminal 1. If resistance is no zero (0) ohms,repair open to ground. Test connector terminal 4-wiper switch in any position. If battery voltage is present, replace motor. if is not repair open from fuse panel. Test connector terminal 2-wiper switch in LO. If battery voltage is present, replace motor. If not , repair open from wiper switch. Test connector terminal 2-wiper switch in HI. If battery voltage is present, replace motor. If not , repair open from wiper switch. Test connector terminal 5-wiper switch OFF with voltmeter connected. If battery voltage is present until wipers stop and then voltage drops to zero, system is OK, replace motor. If not, repair open from wiper switch.



Found on the web. I hope this helps.
Rich Long

Jan 26, 2014 | Jeep Cars & Trucks

1 Answer

Keep replacing control

Check to see if anything on the low voltage circuit is stealing voltage ie gas valve...make sure you have the proper low voltage to the ignition module (check the transformer)

Nov 22, 2013 | Honeywell S8610U3009 Universal...

2 Answers

Honeywell S8610U Universal Intermittent Pilot Module not sparking

You fried the board. Get a new one. They can't be repaired.

Mar 08, 2017 | Heating & Cooling

1 Answer

No spark Ignition, no gas release from the valve.

I would replace the intermitant spark ignition module if it did not produce a spark from the spark terminal to ground if held 1/8" away. Honeywell makes a universal replacement. I think it is either a S8610U or S8900U.

Jan 31, 2010 | Heating & Cooling

2 Answers

My furnace does not start every time the pilot lights then it shots off. I believe that it might be the honeywell module S8610M3009. I verified both of the sensors. any input is greatly appreciated.

Not knowing what brand or model of heating system you have makes it somewhat difficult to troubleshoot but knowing that you are using an intermittent pilot control, may help us. If the pilot flame goes on and of frequently, you could have a dirty pilot orifice, a bad pressure switch, a bad inducer motor, bad gas valve, loose wire, hole in the pressure switch hose or a bad ignition control. Check for the obvious and clean and tighten what you can get to including the wires on the ignition control.

Jan 20, 2010 | Heating & Cooling

1 Answer

Intermittent Pilot ignition control not sparking

Check it by arcing it to ground. Replace it with a universal control if bad. Honeywell makes one that will work, check out specs on the S8610U module.

Jan 15, 2010 | Weather King 10AJA4801AH Air Conditioner

1 Answer


NO you can not, as the S8910U module is for hot surface ignition and the S8610U is for intermittent pilot ignition. Sorry!

Jan 01, 2010 | Honeywell S8910U Radiator Heater

1 Answer

Need schematics for honeywell s861ou3009

Those terminals are the power to the module. The tr should be the 24v (hot) line coming from the transformer. The tr/th is the common from the transformer and the th is the 24v line coming back from the t-stat. So tr stands for transformer. the th stands for thermostat. And the th/tr is the common.
I know you ask for schematics but I felt that I could easily explain it to you. It really isn't all that hard. In some cases the tr does not need to be hookup. if you only have two wires there than just hookup the th/tr and the th and it will work.

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