Out Of This World Automotive Wire Color Meaning

They show the diameter of each wire using a label placed at some point along side its drawn line 1 0 8.

Automotive wire color meaning. In the united states the national electrical code nec mandates electrical wiring color codes for the protective ground. The color is shown as a two letter code which can be identified by referring to the wire color code chart fig. However the colors red.

For all other functions there are no legal requirements. But since they did away with dots in 1986 on page 15 the 1986 evtm shows it as a yellow wire with white stripes. However certain colors have been adopted as local practice and are recommended.

The us national electrical code only mandates white or grey for the neutral power conductor and bare copper green or green with yellow stripe for the protective ground. Main lines are represented by l1 l2 and so forth. For example a wire marked gr would be green with a red stripe.

And yet the document below was published in september of 1987 and continues to show circuit 36 as yellow white dot. Black is the default color and the wires in a 2 conductor cable with a ground wire are white and black. So just convert dots or hash marks in your mind to stripes and you should be ok.

The protective ground must be either green green yellow or bare copper. Colour main tracer use brown main battery feed brown blue control box to ignition and lighting switch feed brown red compression ignition starting aid to switch. These can take some effort to locate on fold out map type diagram.

For example a wire marked gr would be green with a red stripe. A black dot can be used to suggest the injunction of two lines. Due to safety reasons the use of a 2 wire ungrounded system is discouraged.