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Ignition cable: useful information

Spark plugs and ignition coil are connected to ignition cable. In the ignition coil voltage reaches 30,000 volts, so the spark plug wire is situated in an inaccessible place for people. Security must be respected under all conditions. Ignition cable must withstand big temperature spans and mechanical loads. All this is confirmed by the ISO certificate.

A very important point is the elimination of radio interference, which the voltage in the ignition system depends on. What system to use depends on the car brand. When choosing spare part, pay attention to the manufacturer technical characteristics. In the worst case faulty ignition cable may result in damage, in the best case it will malfunction. The easiest way out is to replace the original cable for a particular car model. However, the replacement is possible only if the ignition cable consists of separate parts. Car owner won’t be able to replace the ignition cable, as he needs special pliers to connect terminals to the ends of the cable.

If the problem is with ignition cable, it is possible to identify by voltage measurement. All this must do specialists. To replace the ignition cable you also need a special voltmeter. It is not difficult to replace the cable with a new one. Do you need McPherson strut, turn indicator, brake pads or brake shoes, timing belt, brake force regulator, tie rod, gear wheel or other spare part? In our web shop you will find any spare part you need.

How to detect malfunction of the ignition wires

Checking the component, start with visual inspection. Check wires' insulation (with ignition off). The joints and bends of the wires should not have any damage (cracks, scorch marks or holes).

Next, make sure there is no rust between the ignition coil and the wire terminals.

If no damage has been found, determine the degree of resistance. To do so, use a multimeter. Connect probes of the measuring device to both ends of the wire. The normal resistance is 3.5 to 10 kOhm. If the difference of wires' resistance within the same set exceeds 4 kOhm, the wires are to be replaced.

Next check the operation of the ignition wires with the engine started. Be careful as the ignition wires are under high voltage. If clicking sounds produced by electric current are heard, or there are sparks, the ignition wires are to be replaced. Ignition wires should be diagnosed no less than once in 3 months.

You may notice that ignition wires require diagnostics by the following symptoms:

  • Unstable idling of the engine, malfunctions;
  • No ignition;
  • The engine misses strokes at high RPM;
  • The engine misfires;
  • Increased fuel consumption;
  • Failures of the electronic devices;
  • Radio interference;
  • Troubled ignition;
  • Check Engine indicator activates on the dashboard;
  • High CO2 content in exhaust gas.

The reasons for ignition wires malfunction

Terminals oxidation is the result of exposure to moisture. This occurs due to the loss of tightness in the protective cap during operation or installation.

Open electric circuit occurs due to insecure connection with the terminals of the elements of the ignition system, or due to damaged electric conductors. This may also occur during dismantling of the ignition wires. The damaged point gets heated and produces sparks, which results in burning out of the electric conductor and metal terminals.

The reason of current leakage may consist in damaged insulation or protective caps of the ignition wire. The quality of the insulation material is crucially important, as the service life of the component depends on it greatly. Even microcracks may be the reason of weak current. The insulation layer gets damaged due to exposure to high or low temperatures, and to chemicals. Sometimes, the ignition wire sheath wears out due to constant contact with some component.

Replacing ignition wires

Damaged ignition wires are only to be replaced. The ignition wires should only be replaced with ignition off, and the engine cooled down. During the installation of a new set, order of wires connection should be reproduced exactly. Therefore, the best practice is disconnecting and connecting the wires one by one.

Ignition Leads: High quality bestseller

RIDEX 685I0136 replacement Parts Details
  • Length [mm]: 420, 480
  • Length 3 [mm]: 620
  • Length 4 [mm]: 720
  • Diameter [mm]: 7
  • Connector type: DIN, SAE
  • Condition: New
In stock
Details
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Ignition Cable Kit RIDEX 685I0136
Article №: 685I0136
£ 10,24
Price per item
incl. 20% VAT, excl. delivery costs
RIDEX 685I0066 replacement Parts Details
  • Length [mm]: 300, 400
  • Length 3 [mm]: 500
  • Length 4 [mm]: 600
  • Ignition Coil: Connector Type M4
  • Spark Plug: Connector Type SAE
  • Condition: New
In stock
Details
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Ignition Cable Kit RIDEX 685I0066
Article №: 685I0066
£ 15,48
Price per item
incl. 20% VAT, excl. delivery costs
RIDEX 685I0019 replacement Parts Details
  • Length [mm]: 480, 490
  • Length 3 [mm]: 490
  • Length 4 [mm]: 530
  • Number of circuits: 4
  • Ignition Coil: Connector Type M4
  • Spark Plug: Connector Type SAE
  • Colour: black
  • Condition: New
In stock
Details
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Ignition Cable Kit RIDEX 685I0019
Article №: 685I0019
£ 17,48
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incl. 20% VAT, excl. delivery costs
RIDEX 685I0010 replacement Parts Details
  • Length [mm]: 310, 440
  • Length 3 [mm]: 480
  • Length 4 [mm]: 530
  • Number of circuits: 4
  • Ignition Coil: Connector Type, saw teeth
  • Spark Plug: Connector Type SAE
  • Condition: New
In stock
Details
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Ignition Cable Kit RIDEX 685I0010
Article №: 685I0010
£ 18,96
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RIDEX 685I0122 replacement Parts Details
  • Material: Copper
  • Length [mm]: 600, 630
  • Length 3 [mm]: 700
  • Length 4 [mm]: 850
  • Diameter [mm]: 7
  • Distributor/ Rotor: Connector Type, saw teeth
  • Spark Plug: Connector Type SAE
  • Vehicle Equipment: for vehicles without distributor
  • Condition: New
In stock
Details
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Ignition Cable Kit RIDEX 685I0122
Article №: 685I0122
£ 28,24
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RIDEX 685I0012 replacement Parts Details
  • Length [mm]: 420, 540
  • Length 3 [mm]: 570
  • Length 4 [mm]: 600
  • Ignition Cable: Connector Type SAE
  • Number of circuits: 4
  • Ignition Coil: Connector Type M4
  • Condition: New
In stock
Details
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Ignition Cable Kit RIDEX 685I0012
Article №: 685I0012
£ 40,48
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NGK 0518 replacement Parts Details
  • Ignition Cable: Copper Ignition Cable
  • Number of circuits: 6
  • Colour: black
  • Condition: New
In stock
Details
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Ignition Cable Kit NGK 0518
Article №: 0518
£ 95,24
incl. 20% VAT, excl. delivery costs
JANMOR ABU49 replacement Parts Details
  • Material: EPDM (ethylene propylene diene Monomer (M-class) rubber)
  • Length [mm]: 600, 640
  • Length 3 [mm]: 780
  • Length 4 [mm]: 860
  • Ignition Cable: Connector Type SAE
  • Diameter [mm]: 7
  • Distributor/ Rotor: Connector Type M4
  • Core Dimensions: KEVLAR
  • Condition: New
In stock
Details
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Ignition Cable Kit JANMOR ABU49
Article №: ABU49
£ 12,72
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BERU 7MMSRED replacement Parts Details
  • Product line: COPPER CABLE
  • Colour: red
  • Material: Copper, Silicone
  • Temperature range to [°C]: 220
  • Voltage from [V]: 38000
  • DIN/ISO: 3808
  • Quality/ Grade: F
  • Length [m]: 1
  • Condition: New
In stock
Details
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Ignition lead BERU 7MMSRED
Article №: 7MMSRED
£ 5,96
(£ 5,96 for 1 metre)
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incl. 20% VAT, excl. delivery costs
BERU 7MMSBLACK replacement Parts Details
  • Product line: COPPER CABLE
  • Colour: black
  • Ignition Cable: no interference suppression
  • Material: Copper, Silicone
  • Temperature range to [°C]: 220
  • Voltage from [V]: 38000
  • DIN/ISO: 3808
  • Quality/ Grade: F
  • Length [m]: 1
  • Condition: New
In stock
Details
BERU 7MMSBLACK Ignition cable for your car
Ignition lead BERU 7MMSBLACK
Article №: 7MMSBLACK
£ 7,43
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BOSCH 0 986 357 208 replacement Parts Details
  • Connector type: SAE, M4
  • for cable Ø [mm]: 8
  • Condition: New
In stock
Details
BOSCH 0 986 357 208 Spark plug wire for your car
Ignition Cable Kit BOSCH 0986357208
Article №: 0 986 357 208
£ 27,72
incl. 20% VAT, excl. delivery costs
BOSCH 0 986 357 822 replacement Parts Details
  • Supplementary Article / Supplementary Info Info 2: with marten protection
  • Condition: New
In stock
Details
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Ignition Cable Kit BOSCH 0986357822
Article №: 0 986 357 822
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  • Ignition Cable: Copper Ignition Cable
  • Number of circuits: 4
  • Colour: black
  • Condition: New
In stock
Details
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Ignition Cable Kit NGK 44316
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NGK 0941 replacement Parts Details
  • Ignition Cable: Copper Ignition Cable
  • Number of circuits: 5
  • Connector type: M4
  • Colour: black
  • Vehicle Equipment: for vehicles with distributor
  • Condition: New
In stock
Details
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BOSCH 0 356 912 948 replacement Parts Details
In stock
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Ignition lead BOSCH 0356912948
Article №: 0 356 912 948
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QUINTON HAZELL XC1383 replacement Parts Details
  • Length [mm]: 550, 570
  • Length 3 [mm]: 660
  • Length 4 [mm]: 810
  • Ignition Cable: Connector Type SAE, Resistive Ignition Cable
  • Quantity: 4
  • Ignition Coil: Connector Type M4
  • for pipe diameter [mm]: 7
  • Condition: New
In stock
Details
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Ignition Cable Kit QUINTON HAZELL XC1383
Article №: XC1383
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BOSCH F 000 99C 602 replacement Parts Details
  • Ignition Cable: with resistor
  • Condition: New
In stock
Details
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Ignition Cable Kit BOSCH F00099C602
Article №: F 000 99C 602
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NGK 44328 replacement Parts Details
  • Ignition Cable: Copper Ignition Cable
  • Number of circuits: 4
  • Colour: black
  • Condition: New
In stock
Details
RC-VW1111 NGK 44328 Ignition Leads price
Ignition Cable Kit NGK 44328
Article №: 44328
£ 44,42
incl. 20% VAT, excl. delivery costs
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