shawninvancouver Posted June 23, 2021 Report Share Posted June 23, 2021 74 260z - just got my rear markers working after taking off steering wheel controls and they magically started working - but front ones still dont work.. any thing to try?? Quote Link to comment
datzenmike Posted June 23, 2021 Report Share Posted June 23, 2021 If you have never seen them work, I would check the bulbs are making good contact inside the socket/housings or not already burnt out. Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 (edited) used an electrical tester and no power there.. i assume you dont have to press the light socket button in where the bulb does..?? i just grounded my tester and poked in there and scratched around.... no power... on both front ones... is there a relay or a ground i may be able to find? im trying to find side markers on eklectrical diagram but cant find them in fsm for 260 Edited June 23, 2021 by shawninvancouver Quote Link to comment
datzenmike Posted June 23, 2021 Report Share Posted June 23, 2021 Way out of my wheelhouse on this. Front markers are tied to the rears and the dash lights on most Datsuns, that's all I know. Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 ya...most of my dash lights are out.. one one that works is tach and heater panel.. rest are out... Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 how do i find this ground wire???? Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 also - while checking the fuse box with the tester - of the 14 fuses in there, i had power going through 12 of them ( only two that did not show power were headlights as they were off ) all the other stuff was also off and not powered on - so should it all show power??? or is this wrong? should it only show power at fuse box when that item is turned on??? Quote Link to comment
datzenmike Posted June 23, 2021 Report Share Posted June 23, 2021 Headlights are likely on their own fuses or fusible link. Other things like interior light, brake lights, horn, clock are on or available any time. Things like heater, wiper, radio, ignition are all switched on by the ignition. Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 bloody gauges are driving me crazy,,, none working - - where do i look first??? fuses are ok.. where do i go after that??? Quote Link to comment
banzai510(hainz) Posted June 23, 2021 Report Share Posted June 23, 2021 (edited) You must have gotton this car for FREE as I would have never got it. get a maula and find the wires and where the connctions are and yes get a meter of test light and start probing Edited June 23, 2021 by banzai510(hainz) Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 another fuse question.... if i put in the wrong amp fuse but power still goes through the fuse will it effect the item from working.. say the gauges are a 20amp fuse and i put 10amp in will they still work or not???? i am not sure what amp fuses went in so to be safe i think i went lower on several... Quote Link to comment
yenpit Posted June 23, 2021 Report Share Posted June 23, 2021 Check ALL related grounds, clean bulb sockets, clean & soak fusebox, turnsignal & headlight switches in white vinegar. Most of the lighting etc is all tied together.......you should see various circuits/wires running thru switches, that might not make sense, but that's what they did! Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 OH--- what about this while checking horn wires.... when key is on i have power on steering wheel horn button and on green wire leaving horn on back of steering wheel.. under dash passengers side - at the plug that goes in to relay i have power on two wires in the plug.. nothing changes when i hit the horn button.. is that correct prior to getting hooked up to relay?? or is something supposed to happen when i hit the button??? or is that only after relay is hooked up and working?? Quote Link to comment
datzenmike Posted June 23, 2021 Report Share Posted June 23, 2021 3 hours ago, shawninvancouver said: another fuse question.... if i put in the wrong amp fuse but power still goes through the fuse will it effect the item from working.. say the gauges are a 20amp fuse and i put 10amp in will they still work or not???? i am not sure what amp fuses went in so to be safe i think i went lower on several... If the gauges draw 20 amp and you put a 10 amp fuse in it may blow the fuse, yes. However usually there are several things on the same fuse and the gauges may only draw 8 amp and it will work fine with a 10 amp fuse... unless to turn on something that is on that fuse and you exceed the 10amp rating. Then it will blow. Always try to replace with the correct amp rating and never use a higher value. Horn is one of those things I mentioned earlier that are on ALL the time. The horn should work without the ignition on, same as the clock, interior light and brake lights. Quote Link to comment
shawninvancouver Posted June 23, 2021 Author Report Share Posted June 23, 2021 bloody gauges are driving me crazy.. what are the odds the fuel, amp , temp and oil are all dead,,, must be one related thing doing that/// Quote Link to comment
shawninvancouver Posted June 24, 2021 Author Report Share Posted June 24, 2021 got those working... unplugged c3 c4 c5 plugged em back in and fuel amp working.. done! Quote Link to comment
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