Electrical device which, when energised by a small electrical current, safely switches a larger electrical current.

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1answer
14 views

Motorcycle won't start without jumping the solenoid

If my bike wont start but does start when I use the wrench on the solenoid trick; does that mean I need to replace the solenoid? I'm having trouble working this out as I'm new to mechanics and trying ...
4
votes
0answers
27 views

Toyota Celica ST185 problem, doesn't start

Hello i have a problem i own a Toyota Celica ST185 Carlos Sainz Limited Edition. (btw. English is not my national language so sorry for eventual errors). The problem is that car has problems with ...
2
votes
1answer
28 views

Draw more current than its original ouput

I am have a battery capacity of 9 Amps 12 V. Factory electrical system of the bike is DC (horn, indicator, etc.) + AC (head light). Now I have changed the remaining AC to DC. (light system with ...
2
votes
2answers
15 views

What type of connector / terminal end is this?

This wire comes off a automotive multi-pin relay block/connector housing. Requesting help to identify what type/name of connector it is. -Thanks
3
votes
2answers
31 views

Correct Relay Splicing Methodology (Backup Camera & Reverse Wire)?

Some of you may recall my previous thread where I asked what the best way to splice a webcam into the reverse wire of a car. While these questions are similar in topic, this one focuses in on the ...
5
votes
1answer
87 views

Diagnosing fuel pump relay on 2004 Acura TSX

My wife's '04 Acura TSX began having issues starting towards the end of last summer. It would turn over just fine, but took 5-10 seconds to actually start running. The problem was intermittent - some ...
3
votes
1answer
27 views

Issues with 2003 Ford Focus headlights

The problems started when we found out that my car had no dim lights even though the bulbs and fuses seemed to be perfectly fine, and so were my brights. So the mechanic somehow "jumped" my dim lights ...
3
votes
1answer
39 views

Brake lights no longer work on a Volvo V70

My car is an old (2001) Volvo V70. Last year I experienced intermittent failures of the brake lights, and it led my mechanic to exchange the break pedal switch. This seemed to work fine for some ...
9
votes
1answer
197 views

Meaning of relay acronyms: H-LP, E/G, DIM etc

I'm trying to get to know my fuse and relay boxes better. They're labelled, but the labels are mostly acronyms and shorthand, and googling any particular acronym gives a lot of mentions of common ...
6
votes
1answer
116 views

Golf MK4 Window Motor Click and Window wont open

First of all sorry for my english. I have a Golf mk4 1.4 16v 2 doors There are about two weeks that it started to make this click when i try to open the window and it just wont open. I tryed to ...
9
votes
1answer
219 views

Is it possible to repair an intermittent or flaky turn signal flasher relay?

Ouch, a new turn signal flasher relay is $65 at the local parts shop. Is it possible to DIY a repair of such a flasher relay?
6
votes
1answer
142 views

Why do cars still use mechanical blinker relays?

I think the electronic relays may be cheaper; and having less moving parts they are theoretically less prone to break. So, why do cars still use mechanical relays for turning lights?
2
votes
1answer
28 views

Relay for Auxiliary Fog lamps of 54 w (27W x 2 lamps)

I wish to install two LED Auxiliary Fog lamps of 27w each (54 w in total), for my motorbike powered through a 12V Battery. What type (capacity) of relay should be used for this. Kindly let me know.
5
votes
1answer
56 views

Burning air pressure switch

I use a 12 V air compressor at my car for air suspension which I understand is draining around 30-35 A. The problem what I have is overheating and eventually burning the pressure switch and connectors....
8
votes
1answer
470 views

Mini Cooper 2003 - Changed lights to LED, insanely fast indicator lights now

Changed all the lights on my Girlfriend's Mini Cooper last weekend, since then the indicators have been going crazy (assuming due to power consumption being very low). I know you can replace the ...
5
votes
1answer
194 views

BMW E60 (525d M Sport 2005 UK). Cranking but not starting. Fuel Pump/Relay issue?

Background: Long term bad earth problem has been causing iDrive to crash and reboot for years. Bad earth seems to drain the life of the battery over a period of a few years. On my 3rd battery now. ...
2
votes
1answer
277 views

How to connect a 11-pin flasher relay so that turn signal dash indicator lamps work?

I have here a combined flasher and hazard flasher relay for a truck, called "Bosch Warnblinkgeber 24V (3+1) x 21W", part no. 0 335 215 250. It has 11 pins to connect: 31 49, 49a C, C2 L, R, RL, LL, ...
2
votes
0answers
42 views

Defective connection between radiator fan relay and ignition?

I have a Toyota AE101 DX Corolla. When I turn the key to start the car it does not tumble. It turned out that the fan relay doesn't come on with the key turned on like it usually does. Mind you this ...
0
votes
1answer
2k views

Replacing Starter Relay on Honda Accord 2003

In having this issue, I am trying to figure out how to find and replace my starter relay in a Honda Accord 2003. Where is the starter relay? How can it be replaced?
8
votes
4answers
339 views

Standard mounting screw for vehicle relay

I have a MAH-112-C-4 relay that is supposed to be capable of working as a relay for fog light, head light, battery control, oil pumb control, fan control, air conditioner, harness. There is a ...
2
votes
1answer
571 views

Current from key to solenoid of starter motor relay

I am considering installing a starter motor immobilizing relay inline with the starter setting of the key and starter solenoid. I recently got a MAH-112-C-4 online. It has a 30A switching ...
3
votes
0answers
151 views

Hooking up daytime running lights on my vehicle using relays

I am looking to run my 2006 Honda Ridgeline's daytime running lights on 50% power, or close to it, on the accessory wire. When I turn my park lights, head lights, or brights on, I would like them to ...
2
votes
1answer
335 views

Electronic Flasher replacement for LUCAS FL5 to work with both -VE and +VE cars

This is about replacing a LUCAS FL5 3-prong flasher unit with a plug-and-play replacement circuit that will work with a much lower current than the FL5. The FL5 uses a bi-metallic strip and a heater ...
2
votes
1answer
693 views

Chevy Malibu 2009 won't start

I have a 2009 Malibu, yesterday I was heading back from school, then I started hearing a bizare sound like a whining sound, 2 minutes afterwards the engine stopped. When I got off to check under the ...
4
votes
1answer
3k views

Honda Accord 2005 Headlight relay location

Side marker and full(high) beam working fine, but not dipped (low beam) headlights. Checked all fuses - ok. I looked at the cover of the fuse box above (pic below). Honda Accord 2005 under-bonnet ...
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vote
1answer
231 views

Wiring Relay & Horn on Golf Cart

I've had this wired up in the past but I forget how it was done and some things came apart. We have a simple 12v horn and relay. The relay is a KUMP 7D58-12. Here (http://imgur.com/a/dtBFo) are some ...
4
votes
1answer
9k views

Do I need to replace the A/C Clutch, A/C Relay, or A/C Belt?

My '05 Mazda Tribute (just over 200,000 miles) is having problems with the A/C. A while back it was the freon according to the previous owner. I connected a pressure gauge to the low pressure end of ...
5
votes
2answers
1k views

BMW 530xd E60 2008 diesel possibly fuel pump problem

Car details: BMW 530xd E60 2008-05 Diesel 170kw. The pump is working as it should be, it has been tested in BMW center. Problem is, when I turn the ignition on, the check engine light doesn't come ...
3
votes
2answers
3k views

2001 Monte Carlo ss. 3.8 liter cooling fans

2001 Monte Carlo ss with a 3.8 liter motor in great condition. The problem is... check engine light on, Temperature gauge not working and cooling fans stay on for 5 minutes after turning car off. ...
3
votes
3answers
25k views

Is it possible for a car to start and run with a dead/dying fuel pump? If so then for how long?

After reading a related question, I suppose my problem could be the relay, so I'll have to check that as well. However, the problem is still the same: My car won't start, and I don't hear the fuel ...
2
votes
1answer
7k views

motorcycle headlight with single SPDT relay

I have bike with 35 watt HS1 bulb and I want to upgrade brightness of headlight so I decided to put H4 60/65 watt xenon bulb. An expert on this forum suggested me to use relays as the new bulb ...
3
votes
3answers
11k views

Which relay to use for bike headlight

I have Bajaj Pulsar 180 UG4, it has a 35 watt HS1 Helonix headlamp bulb. I want to upgrade the stock headlight to make it brighter, so I found H4 Xenon bulb 60/65 watt. I asked this question question ...
7
votes
6answers
65k views

How many amps should my car pull while it is turned off?

I've recently started having a bit of trouble with my car. I typically drive my car to and from work each day. A couple weeks ago I went on vacation and when I returned, my car battery was as dead ...
1
vote
1answer
315 views

Does anyone know of a commonly available DPDT or DPST relay? (For use as replacement starter relay)

I have a car (1971 Jaguar E-Type 6 cylinder) with a bad starter relay. The original relay is not available, and all of the specialty parts suppliers sell a generic replacement relay. I'd like to ...
5
votes
4answers
4k views

How do you test relays?

I have a Pontiac Grand Am. After getting a hose replaced, I noticed that my fans don't come on now. I checked the fuses and cooling fan #2's fuse is burnt out, which (I think) should be for AC only. ...
2
votes
1answer
745 views

2003 Pontiac Bonneville - How to Remove Relays in Fusebox

My grandparents have a 2003 Bonneville which has, in the past few months, started to become very wishy-washy with its air conditioning fans. They'll work one day, then not the next. They'll hit a bump ...
2
votes
2answers
3k views

What's the correct fusing for a headlight relay?

Summary of the situation: I have a 1975 Ford truck that suffered from the "Ford flashing headlight problem". The factory wiring uses 18ga wires over a very long path and through an under-rated ...