If your car has horns with their own ground all the time interrupt cut the wire from your horn button. Mgb starter solenoid relay wiring.
Ignition Switch Connections
Mgb starter relay wiring diagram. These pdf files can print full size on 11 x 17 paper. It is likely that the fault is not with the starter motor itself but with the power supply system. Sometimes when i turn the key i can hear the starter solenoid engage but i just get a click. My profile my preferences my mates. According to page 78 of rick astleys mgb electrical systems my late model b should have 4 wires attached to the starter relay. Mg mgb technical relay next to starter relay.
If the engine will not fire when the starter motor turns it over the fault must be in the ignition or the fuel supply. Put the wire to the horns on the 87 terminal of the relay. Before the engine starts the alternator does not generate electricity the voltage of the neutral tap n binding post is zero no current passes through the charge light relay starter relay coil and charging indicator relay contacts are. Connect the 86 terminal to a source of power. Unit 1 lodge farm kineton warwickshire cv35 0jh sales at autoelectricalsparescouk 01926 640055. So i decided to check the relay connections.
Diagram 4 6869 mgb from bentley e2333w fuse box b bg gb rear window defroster switch gt only radio. Starter headlight switch g g g g g p g p w w n w n bg r r r r wr n w w ny wg n n n n n n n n g a u g e t i lamp d a s h i l l u m i n a o n l a m p s courtesymap lightswitch rw. If youve bought a modern relay here is a diagram for it you may not have 87a. Hi ive just rebuilt the engine in our 77 mgbgt 1800 initially had no ignition lights or ignition controlled circuits but the starter worked and having hot wired it and got it started noticed the lucar connectors on the 2 relays next to the fuse box were corroded and loose. Wiring diagrams for mgb mgc. 6264 mgb from bentley a8753aw 6467 mgb from bentley b51798 6768 mgb from bentley e1898w 6869 mgb from bentley e2333w 6870 mgb from bentley e2764w 70.
But if the starter motor itself does not function the fault must be in the motor or its associated electrics. Whats new 3 12 24 72. Connect the other side of the interrupted wire from the button to the 85 terminal. This is going to get detailed so grab a coffee. Connect a new clean ground to the 3051 terminal. Click links for 33 different wiring diagrams for mgb and mgc large format in color.
Mgb mgc mgbv8 wiring diagrams a au dvt ao n w. The security starter relay controlled car starter wiring diagram is as shown in the following picture.
Gallery of Mgb Starter Relay Wiring Diagram
