Question about Intermatic K4221C Photo Cell Control 120 V 50/60 Hz. 1800 Watt "T" Swivel M

1 Answer

What does the red wire attach to for a k4221 photo control?

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Intermatic Master
  • 43,501 Answers

The power wire coming into the control has a black, white and copper (ground) wire. Hook the balck wire to the control black, All the gound wires hook together, all the white wires hook together, then hook the red wire to the black of the light that you want to turn off and on.

Posted on Nov 14, 2009


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Need wiring diagram for Homedics MYB-S300 Soundspa Lullaby

Could you photograph yours? I can't find where the white one attaches


Jul 12, 2015 | Homedics Myb-S300 Lullaby SoundSpa and...

1 Answer

My son bought a new house. It has an Intermatic K4221 photo cell that never appears to work. It looks like it is connected to porch lights. They won't come on either by photocell or manual light switch. He...

Place tape over photocell lens, and flash switch off-on. Did the light come on?If you know how - remove the photocell from the circuit and see if the light works. If the light works, then the photocell is probably bad. Check power from switch to photocell with test meter.

May 17, 2014 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

Could u email me a wiring diagram?

You posted under Intermatic photo cell
Open following image to see how to wire all in-line photo cells.

Photo cell black wire connects to black Hot wire from breaker box. This will power the photo cell.
Photo cell red wire connects to Load. Red wire turns ON when photo cell turns ON.
Photo cell white wire connects to white Neutral wire. White wire completes circuit to photo cell and will power the switch mechanism inside photo cell.

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on circuit or any do-it-yourself project.
Fixya is always less expensive than a service call.

Mar 20, 2011 | Intermatic K4236C Photo Cell Control...

1 Answer

2005 kia spectra blower dont come on for the heater

The 2005 Spectra heating system comprises 4 main components and its associated wiring.

1. Blower Relay- supplies power to the blower motor when the key is in the on position

2. Blower motor- Located in the right side dashboard area near the passengers right foot. ( photo attached)

3. Resistor- located on the ground side of the circuit to control speeds 1 thru 3. Note" High speed bypasses this component.

4. A/C Control Module- This is the control pad in the dashboard with the blower speed controls.

The easiest way to diagnose this circuit is to split the circuit in half to determine if you have a power supply problem, ground control problem or a failed component. From your concern I am going to assume that none of the speeds work. If some of the speeds work let me know which ones and I will revise the diagnosis tree I made for you.

Key state for all tests is Key on/Engine off. Heater on and blower setting between 1 and 4.

Step 1. Verify the 30Amp blower fuse in the underhood fuse box has power and is not "Blown.

Step 2. Locate the blower motor by removing the lower kick panel on the passenger side dashboard and glove box. You will need a Phillips head screwdriver.

Step 3. Disconnect the two pin connector at the blower Connector G-02 in the attached photo. The red and blue wire is the power supply wire to the motor so with the key on/engine off check for power with a test light or volt meter. Spec: Battery Voltage. If good proceed to step 4. If no power proceed to step

Step 3.a.- the blower relay above the blower (connector G-06) and verify you have power leaving the relay. This is the red and blue wire ( Pin 4) I attached a photo of the connector to help locate the correct wire. If you have power at this pin the relay is working and you have an open between the relay and the blower motor. If you do not have power at this pin proceed to step 3.b. Verify that the relay clicks when you disconnect it from the harness and plug it back in. If it "clicks" and you have no power at pin 4 you have a bad relay. If it does not click you will need to check the power supplies to the relay. These are pins 3 (blue wire) and Pin 5 (Red wire). Be careful to check the correct blue wire as the other blue is the ground for the relay. (Pin 1). If you do not have power at either wire you have an open in the harness and further diagnosis will be needed. If you do have power at these wires then check the remaining blue wire for a ground. If you do not have a ground you may have a bad control module. To check this remove the plastic cover around the control head and radio and remove the control head from its mounting but leave plugged in to the harness. Check the white and blue wire in pin 21 of the large connector. It is located 3 pins in from the bottom left of the connector. (See attached photo). If you do not have a ground then you have a bad control module. To verify this you can ground this wire with a test light or fused wire and see if the relay "Clicks". If you do have a ground at this pin then you have an open between the relay and control head.

Step 4. - Ground check- Go to the blower motor connector and check the green and red ground wire (Pin 2) for a ground with the blower switch set to 4. This bypasses the resistor easing diagnosis. If you have a ground then the blower motor is at fault. If you do not have a ground proceed to step 5.

Step 5. Access the control head large connector. Leaving it plugged into the control head check pin 23 (Yellow black wire in the lower left corner of the connector) and verify you have a ground. If you do not have a ground you have a faulty control module. If you do have a ground you have an open between the blower motor and the control head requiring further diagnosis. simplesol907.jpgsimplesol907_0.jpgsimplesol907_1.jpgsimplesol907_2.jpgsimplesol907_3.jpg

Jan 08, 2011 | 2005 Kia Spectra

1 Answer

K4221 photo cell keeps light on day and night whether the suns our or not.

The switch in the photo-eye is bad and has welded together...
you will need to replace the photo-eye...


Dec 25, 2010 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

How do I connect the LV814PR Malibu remote photo control to the ML200RT Power Pack?

To connect the Malibu LV814PR photo control to the Malibu ML200RT:

On the bottom of the power pack you should have 3 terminals: A, B, and C. The trick to understanding how the photo control is connected to the power pack is to understand that the "C" terminal on the power pack is a "dummy" terminal. It is _not_ connected to the transformer in _any_way. It serves the same basic purpose as a wire nut, it's just a connection point.

To avoid confusion following these instructions, disconnect your existing wires from the lights to the power pack. (they should already be under terminals A and B.

To connect the photo control:

1...Connect the outside solid black wire from the photo control to the "A" terminal on the power pack.

2...Connect the center wire from the photo control to the "B" terminal on the power pack.

3...Connect the red striped wire on the photo control to the "C" terminal on the power pack.

4...Now reconnect the lights, except this time connect one wire from the lights to the "B" terminal (along with the center wire from the photo control) and the other wire from the lights to the "C" terminal (along with the red striped wire from the photo control).

Alternatively, one could not even use the "C" terminal and just connect those 2 wires with a wire nut. Kinda messy, hence, the reason for the "C" terminal.

If you want to have the lights on from dusk to dawn, remove both the red and black trippers and turn the manual switch to ON.

If you want the lights to come on at dusk and OFF at, say, Midnight, put the black tripper at Midnight.

Enjoy your lights.

May 20, 2010 | Malibu ML200RT - Low Voltage Power Pack...

2 Answers

Wires came loose of control unit from circuit board do you know what order they should be soldered back Green, white and yellow wires are still connected but I don't know where/which terminal to...

Rotate the iTrip AutoPilot FM Transmitter controller so that its buttons are facing up and its data cable is on the left side. The data cable wires attach to a row of contact points along the left side of the circuit board as follows (from top to bottom):

1 = Purple
2 = White
3 = Blue
4 = Red
5 = Black
6 = Brown
7 = Green
8 = Yellow
9 = <unused>

Mar 27, 2010 | Griffin Technology Griffin iTrip AutoPilot...

1 Answer

Hi I have a ml200rt it did not come with a manual there are 3 attachment points a b c which do I attach the wires to?

Wires are attached to terminals A and B.
Terminal C is only used when you use photo eye.

With photo eye, wires attach to terminals B and C instead of A and B. Then photo eye black wire connects to A, photo eye red wire to terminal C, and photo eye middle wire to terminal B.

Open following link for ML series manuals and information.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Oct 18, 2009 | Malibu ML200RT - Low Voltage Power Pack...

3 Answers

Light hooked to Intermatic K4221 photo control doesn't turn off

Photo cell is designed to fail in the on condition.....replace photo cell.

Mar 26, 2009 | Intermatic K4221C Photo Cell Control 120 V...

Not finding what you are looking for?
Intermatic K4221C Photo Cell Control 120 V 50/60 Hz. 1800 Watt "T" Swivel M Logo

Related Topics:

1,840 people viewed this question

Ask a Question

Usually answered in minutes!

Top Intermatic Hardware & Accessories Experts

Gene Haynes

Level 3 Expert

5245 Answers

Jay Finke
Jay Finke

Level 3 Expert

1358 Answers


Level 2 Expert

112 Answers

Are you an Intermatic Hardware and Accessory Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides