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Ignition color coding of wire in the 4 ignition coil

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Misfiring on cylinder #3


Misfiring can be cause by ignition coil,spark plugs,wires,engine valve,cylinder compression,
if it's a quad four then crack around the ignition coil. there is 2 coils like 1-4 coil and 2-3 coil
first check spark plug color or foul of gaz
hope it help

Oct 18, 2014 | 2002 Pontiac Grand Am SE

2 Answers

Circuit codes p0300


that pertains to random secondary ignition missfire.possibbly another code to help pinpoint which cyl. is missfireing po304 #4 cyl. spark plug,boot/wire coil/or individual coil pack,ignition module.check in that order.need more info year,vin,etc.

Aug 25, 2014 | Cars & Trucks

1 Answer

I have a first generation 83 yamaha venture 1200 v 4 i have power to only 3 of the ignition coils the fourth coil has tested good by taking #3 lead and plugging into #4 coil. any ideas on what part to...


Okay...when you say power to the coil...I think you mean getting a spark on the plug wire?

All 4 coils should have battery voltage on the red/white wire to each coil. The second wire returns to the igniter (TCI....ignition black box) and it switches that wire off and on to ground to cause the coils to fire. If all 4 test good...then
Check out the TCI, the large box mounted on the coil rack that the connectors are clean.
Now remove the 6 wire connector from the TCI...and test the resistance of the pickup coils which are located under the left crankcase cover beside the stator coil.
you will be testing the following wire pairs on the 6 wire connector
Orange-Black
White/Red-Black
Gray-Black
White/Green-Black
You should see at ambient engine temp...about 110 ohms resistance on all 4 pairs.....if one pair is showing no resistance...you need to test at the lower 5 wire connector just below the seat left side with the same 5 colors....unhook and test....if still having one bad test...pickup coils may be bad.

Apr 10, 2011 | Yamaha Royal Star Venture Motorcycles

1 Answer

Coil has no spark on 1 & 4 replaced coil, crank sensor and cam sensor


Hello! Is the Check Engine Light (CEL) on, indicating a stored fault code? Since you have installed a new Coil I would suggest having a look at the wiring to the coil's connector...1&4 are controlled by the Powertrain Control Module (PCM) on the Dark Blue/Dark Green wire...Visually inspect the connector, pins and wiring at the Coil end...If you have a multimeter and a wee bit of knowledge of its use the wire can be tested with a voltmeter...With engine running, measure the voltage on the following wire colors of the coil connector... Dark Blue/Orange...Dark Blue/Tan, and the suspect wire, Dark Blue/Dark Green...All three should read the same...There is a fourth wire in the connector (Brown White)...It is the input ground from the Engine Oil Pressure Switch and must be present...

Without a meter the best you can do is to inspect the connector...It is not as rare as you may think that you replaced a bad Ignition Coil with another bad Ignition Coil...Send a comment...

Guru.....saailer

Nov 14, 2010 | 2005 Chrysler Town & Country

1 Answer

Wont run smooth &misfires has code po 352 ignition coil #2 primary circut


First you should have a Haynes Manual for your specific car that's available at most parts stores. Since it states that your "Ignition Coil B primary or secondary circuit malfunction", then I would first measure the Coils Resistance which is listed in your Haynes Manual. If it comes up incorrectly for the values given, then replace the coil, if not, check the Z2 Circuit which is the Ground to your PCM or computer. It should be a 12 gauge wire, black & tan that's bolted to the Engine block for a corroded condition. This corrosion will throw multiple codes except for the PCM's Ground. In the Haynes Manual there is a wiring diagram of your PCM in the back that, if I'm wrong about the color of the wire, will give you the proper color.

"00 Buck"

Jul 17, 2010 | 1998 Dodge Intrepid

1 Answer

I have a 1989 sea ray boat. Does it have no power to the coil?


If you look at the coil you will see small wires on either side. One side is a ground and the other is power. Depending on the brand of outdrive you have the wires are color coded.

You should be able to see the color of the wires on the "Plus" side at the coil. Then follow the wiring loom back to the switches hanging by the shift cables on the engine. There are also wires on the UP/DOWN safety switches of the outdrive.

The outdrive must be down somewhat for the safety switches to release the ignition LOCKOUT. This is done because the driveshaft will snap if you start the motor with the outdrive up. Look for matching color coded wires to match the small hot coil wires.

The switches on the shift cables will LOCKOUT the starter solenoid so you can only START in neutral. Look for the color coded wires from the coil to see if they are on the correct set of switches. It is possible someone made a redundant connection and combined the ignition with the starter cutoff.

May 01, 2010 | Boating

1 Answer

Need coil wiring diagram


Contact points cover open.

Left side points are for cylinders 1 and 4.
Right side points are for cylinders 2 and 3

Left side points have a White wire coming from it.
Right side points have a Black wire coming from it.

One coil runs two cylinders.

One coil runs cylinders 1 and 4.
One coil runs cylinders 2 and 3.

No matter what style of ignition coil you use, the Black wire will connect to the Points. Whatever other color of wire they use, connects to the ignition switch.

BUT, check the specifications for the coils you're going to install. Connect the Negative side to the points. The Positive side to the ignition switch.

The Orange wire with a White stripe, coming out of the harness of the Suzuki Gs550 is from the ignition switch. It goes to a splice connector, and from there goes to two wires. The wires split off into one wire for each coil.

There is a White wire on the coil, that is used for Cylinders 1 and 4.
There is a Black wire on the coil, that is used for Cylinders 2 and 3.


Oct 21, 2009 | 1979 Suzuki Gs 550 L

1 Answer

I need to know witch plug wire goes where and the color of wire goes on top and bottom of the coils


Hi and welcome to FixYa,

To my understanding, for an 89-92 US/UK GSX750F:
  • left ignition coil supplies cylinders 1 & 4;
  • top terminal is white;
  • bottom is red/white;
  • right ignition coil supplies cylinders 2 & 3;
  • top terminal is black/yellow;
  • bottom is red/white.
Good luck and thank you for using FixYa.

May 15, 2009 | 1992 Suzuki GSX 750 F (Katana)

2 Answers

1997 Saturn sl2 Code P0304-IC module cam reference


yes it is the ignition coils . po304 is a miss fire on #4 cylinder.wires and plugs should fix the problem unless ignition coil is not firing. there are 2 coils they run 1&4 2 &3 cylinders.

Mar 12, 2009 | 1997 Saturn SL

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