Re: 73 cj5 ignition switch
Good post Lee. Just wanted to add that the smaller wire coming off the starter
solenoid, supplying the ign switch with B+, must use a fusible link at the solenoid. In message <Pine.NEB.4.58.0405241006550.22171@panix1.panix.co m>, "Lee Ayrton" wrote: >On Mon, 24 May 2004, KC wrote: > >> should the battery be hooked directly to the ignition switch > >This is based on the 1976-82 models, but is an off-the-shelf Ford system >should be close enough for your purposes. > >The heavy cable from the [+] side of the battery goes to the starter >relay. A smaller gage wire should run from the same post on the relay to >feed the ignition key switch and all accessories. There should always be >[+] present at the back of the ignition key switch, even while off. > >Looking at the relay with the battery cable to your left (and the heavy >cable to the starter to your right) there are two smaller terminals on the >relay facing you. The one to the left is the "I" terminal, it feeds full >battery power to the [+] terminal on the coil during cranking. The small >terminal to your right is the "S" terminal, it is fed power from the key >switch when you turn it to the "Start" position. > >The wire from the "I" terminal and from the ballast resistor may both be >connected to the [+] terminal on the coil, or they may be spliced >someplace in the harness. It doesn't matter where this union takes place, >so long as you see the proper voltages at the coil. > >Using a voltmeter you should see something like 8 volts at the [+] >terminal on the coil with the key switch in the "Run" position -- even if >the engine isn't turning. The voltage drop is from the resistor wire you >found in your harness and the reduced voltage is to keep the coil from >burning out. With the key switch in the "Start" position there should be >full battery power at the coil's [+] terminal. (if the engine is actually >cranking your meter will jump every time the points open and close. You >can disconnect and tape off the cable to the starter to prevent the engine >from turning if you think that you need to test this.) > > >Schematic: > > > -----------------------B+ TO IGN SWITCH > | > \ __________ >TO BATTERY==========! 0 0 !===========TO STARTER > ! | | ! > ! | | ! Starter relay > !_| __ |_! > | | > | | > | --------------TO IGN SW "START" POSITION > | > | > | > |----^v^v^v^v^v-----TO IGN SW "RUN" POSITION > | Ballast > | resistor > | > | > | ___ > | ! ! ---------TO DISTRIBUTOR POINTS > __\__! !__/_ > ! [+] [-] ! > ! ! > ! ! > ! COIL ! > ! ! > ! ! > ! ! > ! ! > !____________! > > > >Good luck. > |
Re: 73 cj5 ignition switch
Good post Lee. Just wanted to add that the smaller wire coming off the starter
solenoid, supplying the ign switch with B+, must use a fusible link at the solenoid. In message <Pine.NEB.4.58.0405241006550.22171@panix1.panix.co m>, "Lee Ayrton" wrote: >On Mon, 24 May 2004, KC wrote: > >> should the battery be hooked directly to the ignition switch > >This is based on the 1976-82 models, but is an off-the-shelf Ford system >should be close enough for your purposes. > >The heavy cable from the [+] side of the battery goes to the starter >relay. A smaller gage wire should run from the same post on the relay to >feed the ignition key switch and all accessories. There should always be >[+] present at the back of the ignition key switch, even while off. > >Looking at the relay with the battery cable to your left (and the heavy >cable to the starter to your right) there are two smaller terminals on the >relay facing you. The one to the left is the "I" terminal, it feeds full >battery power to the [+] terminal on the coil during cranking. The small >terminal to your right is the "S" terminal, it is fed power from the key >switch when you turn it to the "Start" position. > >The wire from the "I" terminal and from the ballast resistor may both be >connected to the [+] terminal on the coil, or they may be spliced >someplace in the harness. It doesn't matter where this union takes place, >so long as you see the proper voltages at the coil. > >Using a voltmeter you should see something like 8 volts at the [+] >terminal on the coil with the key switch in the "Run" position -- even if >the engine isn't turning. The voltage drop is from the resistor wire you >found in your harness and the reduced voltage is to keep the coil from >burning out. With the key switch in the "Start" position there should be >full battery power at the coil's [+] terminal. (if the engine is actually >cranking your meter will jump every time the points open and close. You >can disconnect and tape off the cable to the starter to prevent the engine >from turning if you think that you need to test this.) > > >Schematic: > > > -----------------------B+ TO IGN SWITCH > | > \ __________ >TO BATTERY==========! 0 0 !===========TO STARTER > ! | | ! > ! | | ! Starter relay > !_| __ |_! > | | > | | > | --------------TO IGN SW "START" POSITION > | > | > | > |----^v^v^v^v^v-----TO IGN SW "RUN" POSITION > | Ballast > | resistor > | > | > | ___ > | ! ! ---------TO DISTRIBUTOR POINTS > __\__! !__/_ > ! [+] [-] ! > ! ! > ! ! > ! COIL ! > ! ! > ! ! > ! ! > ! ! > !____________! > > > >Good luck. > |
Re: 73 cj5 ignition switch
Good post Lee. Just wanted to add that the smaller wire coming off the starter
solenoid, supplying the ign switch with B+, must use a fusible link at the solenoid. In message <Pine.NEB.4.58.0405241006550.22171@panix1.panix.co m>, "Lee Ayrton" wrote: >On Mon, 24 May 2004, KC wrote: > >> should the battery be hooked directly to the ignition switch > >This is based on the 1976-82 models, but is an off-the-shelf Ford system >should be close enough for your purposes. > >The heavy cable from the [+] side of the battery goes to the starter >relay. A smaller gage wire should run from the same post on the relay to >feed the ignition key switch and all accessories. There should always be >[+] present at the back of the ignition key switch, even while off. > >Looking at the relay with the battery cable to your left (and the heavy >cable to the starter to your right) there are two smaller terminals on the >relay facing you. The one to the left is the "I" terminal, it feeds full >battery power to the [+] terminal on the coil during cranking. The small >terminal to your right is the "S" terminal, it is fed power from the key >switch when you turn it to the "Start" position. > >The wire from the "I" terminal and from the ballast resistor may both be >connected to the [+] terminal on the coil, or they may be spliced >someplace in the harness. It doesn't matter where this union takes place, >so long as you see the proper voltages at the coil. > >Using a voltmeter you should see something like 8 volts at the [+] >terminal on the coil with the key switch in the "Run" position -- even if >the engine isn't turning. The voltage drop is from the resistor wire you >found in your harness and the reduced voltage is to keep the coil from >burning out. With the key switch in the "Start" position there should be >full battery power at the coil's [+] terminal. (if the engine is actually >cranking your meter will jump every time the points open and close. You >can disconnect and tape off the cable to the starter to prevent the engine >from turning if you think that you need to test this.) > > >Schematic: > > > -----------------------B+ TO IGN SWITCH > | > \ __________ >TO BATTERY==========! 0 0 !===========TO STARTER > ! | | ! > ! | | ! Starter relay > !_| __ |_! > | | > | | > | --------------TO IGN SW "START" POSITION > | > | > | > |----^v^v^v^v^v-----TO IGN SW "RUN" POSITION > | Ballast > | resistor > | > | > | ___ > | ! ! ---------TO DISTRIBUTOR POINTS > __\__! !__/_ > ! [+] [-] ! > ! ! > ! ! > ! COIL ! > ! ! > ! ! > ! ! > ! ! > !____________! > > > >Good luck. > |
Re: 73 cj5 ignition switch
If you want it to do stuff like crank & run, then yes, it should. :-)
In message <10b4fne9sd82n3e@corp.supernews.com>, "CRWLR" wrote: >No. > > > >"KC" <kcmidget@cfl.rr.com> wrote in message >news:pobsc.23819$Ol3.2610@twister.tampabay.rr.com ... >> should the battery be hooked directly to the ignition switch >> >> > |
Re: 73 cj5 ignition switch
If you want it to do stuff like crank & run, then yes, it should. :-)
In message <10b4fne9sd82n3e@corp.supernews.com>, "CRWLR" wrote: >No. > > > >"KC" <kcmidget@cfl.rr.com> wrote in message >news:pobsc.23819$Ol3.2610@twister.tampabay.rr.com ... >> should the battery be hooked directly to the ignition switch >> >> > |
Re: 73 cj5 ignition switch
If you want it to do stuff like crank & run, then yes, it should. :-)
In message <10b4fne9sd82n3e@corp.supernews.com>, "CRWLR" wrote: >No. > > > >"KC" <kcmidget@cfl.rr.com> wrote in message >news:pobsc.23819$Ol3.2610@twister.tampabay.rr.com ... >> should the battery be hooked directly to the ignition switch >> >> > |
Re: 73 cj5 ignition switch
If you want it to do stuff like crank & run, then yes, it should. :-)
In message <10b4fne9sd82n3e@corp.supernews.com>, "CRWLR" wrote: >No. > > > >"KC" <kcmidget@cfl.rr.com> wrote in message >news:pobsc.23819$Ol3.2610@twister.tampabay.rr.com ... >> should the battery be hooked directly to the ignition switch >> >> > |
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