Hi guys

Some questions:
1) what is this in the picture?
2) I have no lights, whats the first to check? The headlamps arent connected, but I think I should atleast see the taillights?
3) no wipers either. What to check?

Everything worked before the rebuild, so I'm reluctant to think that the switches died on me during the past year?

 

What year ? I found the best way is to buy a electrical schematic chart for your year .

 

For lights and wipers not working check:

Relevant fuses
Grounds (check for cotinuity)
Switch is working (check for 12v when on)
Parts are good (run a hot lead directly)

If your wiring is all hacked up, the potential for bad connection(s) increases exponentially. Bad connections are a pain to track down.

You can do all of that with a test light though I typically use a multi meter.

You'll need a jumper wire as well to run an independent hot to directly test components. Not necessary but I highly recommend you have a fuse as close to the power source as possible (in this case the battery) for a jumper.

Not sure what the part in the pic is.

 

ALWAYS give your year model...

The photo looks like the intermittent wiper control. ...but without a good photo I am guessing.

It is helpful that you take close up photos...but at least show us the wiring and the colors of them. Even if you need to wipe them off. And THEN take a photo a bit further away so we can see where it is located.

DUB

 

Of appears to be an AC relay http://relaysrus.com/i-9526798-52689...elay-spdt.html

The car is a 79.
I probably forgot attaching the earths again somwhere, are the relevant earth points also in the AIM?
My friend still has it, so I'd go knocking on his door 😅

 

What type of 'rebuild???

IF it is an engine rebuild...you can have made the common mistake of putting the BLACK ground wire with the large eyelet terminal on it ON your starter solenoid where your positive battery cable goes.

This BLACK wire is the GROUND for your wiper motor and also your HVAC blower motor also....and also the alarm system switch on the firewall.

Take a volt meter or test light and see if your wiper motor HOUSING is GROUNDED or it is has 12 volts to it REPEAT...check the HOUSING to see if it grounded or if it is POSITIVE 12 volts.

DUB

 

Thanks DUB!
It was a full body off restoration.

The black wire to the wiper motor is positive for some reason, is that even possible? By grounding the motor separately with a new wire I managed to get it running and working properly.

I'm slowly reaching the end of my nerves with this car.

2 days ago my GEN,LOW FUEL lights and tachometer worked. Today those dont work, however my high beam warning light and indicator lights work. The left indicator light is permanently lit.

I found one connector under the dash not attached, it's right under the speedo/tachometer counter next to the steering column.

Things I checked with a test light :ground and 12v at the gauges and light switch. So I dont know why these gremlins are playing with the car. Supplied a separate ground to the tacho/speedo, no succes.

This is with the ignition on, notice that the volt meter isnt working either. Oil pressure pegging to the right. Fuel gauge is wrong too.

Unknown connector

 

Indicators actingup

 

The reason the wiper motor housing has 12 volts POSITIVE on it is because the black wire that is the GROUND wire for it and your blower motor is NOT connected correctly down at your starter. Someone put it on the starter solenoid stud where your positive battery cable goes....and it needs to be removed and bolted to either one of the starter bolts or one of your transmission bell housing bolts.

Read the third paragraph in POST #4. Close up photos are great but take one further back so I can see where it is located. Your car is obviously an automatic...so this connector is NOT used due to it is there IF your car had a manual transmission in it. Thank God I know this one off the top of my head.

The printed circuit material on the back of your gauge cluster may be messed up or you do not have the plug to it secured correctly. OR...I wonder IF the CORRECT LOW FUEL circuit board is still there and installed. Because you cannot have a regular light bulb socket in there .

AS for your left turn signal light indicator that is staying lit. You have 12 volts of POWER on the light blue wire that goes to make that light bulb shine. Where it is getting that 1`2 volts...I have no clue ( because you are not saying if any of the front turn signal bulb also stay lit or not) and you will need to find it by starting at your turn signal switch connector at the base of your steering column and go from there. Also I do not know IF you are doing this test WHEN the headlights are on or not also.

DUB

 

It'll be me who wrongly attached it. *blushes**

That connector is probably of the clutch killswitch on the manual cars then? Was hoping its something i forgot..

The correct board i still there, it was working 2 days ago.
The indicator itself ( on the front of the car) is not lit.
Also, the indicator isn't lit when first attaching the battery, only when I try tranking the car it lights up, then stays lit.
It looks like an earth issue to me, earthing through the wrong path. Could the wrongly attached wiper motor earth have something to do with it?
Its weird that the GEN,LOW FUEL light and the 5 gauge cluster worked correctly ( apart from having no lights) and now suddenly it doesnt anymore. Didn't really change anything in the past days, connected more earths,unplugged the wiper motor and attached all the front lights.

Thanks for your patience with me, these electrics are a lot more complicated than anything ive seen before.

 

It all works now.
Went home over lunch break, wired the wipers up properly and replaced the 10 amp gauges fuse.

What could be the reason of this one popping?
I popped it again too, heard a 'click' ( short?) comming from the engine bay.
Any more ideas?

And again, a big thank you!