Question about Stihl Hl 75, 75 K Hedge Trimmer Parts Manual

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I am replacing the coil on my hl75k, can see where the black cable goes, but am stuck where the blue one connects?

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You should of had a terminal end that sits on one of the mounting bolts...

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Replaced a circuit breaker on our heat pump our air goes off right but the blower stays on what could be wrong

The blower relay (called a fan relay) is stuck and must be replaced.
Want to do it your self? Trace the two power leads from the blower motor. usually white and black for high speed, White and red medium.
(Blue,purple and brown are capacitor colors)the white wire goes to the line side of the contactor. the black or red wire goes to the fan relay. This arrangement allows the blower to continue running for a minute after shut down to dry the cooling coils or complete the heating cycle. (Line side is where the incoming power wires connect)

Aug 28, 2014 | Ruud 2 Ton Split System Heat Pump


Installing Tacho on 2004 H-D Sportster 883cc Custom

If you have the above model Harley, you'll know it doesn't have a Tacho as standard, and that the factory-fitted risers prohibit installation on the handlebar centre. After selecting a suitable after-market indicator - there are plenty on J&P Cycle's website - you'll need to make or buy a simple, triangular bracket (polished stainless steel looks good), with a hole at each corner, picking up the two lower riser trim plate bolts. The third hole is for attaching the Tacho cannister and you'll probably need to drill a fourth hole to allow need cable routing - which will obviously require a rubber grommet. Or you can be clever and drill out the centre of your attachment bolt to achieve the same effect - don't forget to chamfer/smooth out the edges.
What is absolutely essential for the electrical connection of a tacho is a Crane Cams Tach Adaptor - p/n: 8-2050 - also available from J&P. On the 2004 XL883C, you'll need to follow the "Ground-Sensing" instructions, which are included with the adaptor. Remove seat & tank from the bike, run the Tacho wiring near the coil, disconnect coil plug at coil then cut that plug off (three wires), ensuring you have at least 3" of cable "Tail" going into the coil plug to attach additional wiring. Using a good-quality ratchet crimping tool and Red/Blue connectors, follow the connection table below:
a) Join Tacho Red wire (12v input to Tach), together with Tacho Blue wire (lighting), then add both to Blue wire from Tach Adaptor module. Join these (use a Blue sleeve crimp), to White/Black wire (12v supply from ignition switch), then rejoin White/Black wires.
b) Add long, Black wire from Tach module to Blue/Orange wire (one of the two 'Dual-Coil' switching lines from Ignition module to coil primary winding), then rejoin Blue/Orange wires as in a) above.
c) Add White wire from Tach module to Yellow/Blue wire (the other coil switching line), then rejoin Yellow/Blue as above.
d) Connect the Short, Black wire from tach module to Green wire from Tachometer (tape & tie back the short Grey wire to module).
e) Connect Black wire from Tacho to a good earth. I installed a large ring terminal with three "spare" earth wires under the head of a forward upper engine mounting bracket, but most of the Black wires on your Harley should be earth/ground wires - check first!
Now all you should have to do is wrap all your cable junctions with spiral wrapping or insulating tape, reconnect the coil plug, resecure any wiring looms/harnesses that you may have moved, refit tank & seat, then off you go - with shiny new tachometer telling you how fast your V-twin's turning.

on Dec 02, 2009 | 2004 Harley Davidson XL 883 Sportster

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When the temperature is in the mid to low 30's, 92 Honda Civic will not turn over. No griinding or anything, not even a click. I've been told the battery, starter and carburator are ok. Help! Taxi's are...

Let's see if I can explain it. Pretty simple start circuit, but starting issues are very common to Hondas and Toyotas of the '80's and early'90's. Lots of guys used to rewire their start circuits with new wiring and relays from ignition switch to the starter solenoid just to stop those no starts.
From the ignition switch is the black/white start wire, it is hot only in start, goes direct to the "starter cut relay"- a 4 pole starter relay, the black/ white wire (black with a white stripe) is both the power feed and the coil power to the relay. Before the wire enters the relay it is spliced. one wire goes to power feed at relay, other wire goes to coil side of relay. Here's where the clutch switch comes in: the clutch switch acts as the ground for the relay's coil side. Okay, you turn key to start, power goes to the relay on both the power side and the coil side. When clutch is depressed, it grounds the coil side of relay, this energizes the relay, so power goes out of relay on the power side, as a black/red wire...and goes direct to the starter solenoid. Somewhere before it reaches the solenoid, it turns back into a black/white wire. But nothing else is in a wiring diagram for your start circuit. Buy a can of CRC electronic cleaner. Spray all connectors in the start circuit. Pull off the solenoid wire at starter-that connector. Also the starter relay , pull it out and clean the relay terminals where it plugs in. Get all clean connections in the circuit. If no help, swap in a different relay. If still no help, get a voltmeter (or a test light), when the starter doesn't want to work, check for power at the starter solenoid with key held in start, and clutch depressed. If power there, the solenoid is the problem. If no power, work back to the relay. Pull relay out. With key held in start, two terminals for the relay should have power-the coil plus side, and the power feed from the ignition switch. If both have power, may be the clutch switch not grounding the relays coil side. If no power to relay, check the start wire out of the ignition switch.
Need a wiring diagram? This site is awesome-free wir. diagrams and TSB's for every make and model:

Dec 26, 2013 | 1992 Honda Civic

1 Answer


I gather the black wire is the plug wire you are talking about? the other wire would go to cut off switch

Oct 18, 2013 | Stihl Hl75 Hl75k Hedge Trim Owners...

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I have a 1991 honda accord I started it like I always do to let it warm up. It started right up like it always does. I went inside to let it warm up. I came outside and it wasn't runnung. I tried to start...

Please see my tip at . These are generic instructions--specific instructions are pasted below from If you get stuck, please get back to me.

Use a test light to check for power to the coil on the black wire with a yellow stripe--see procedure below and other tests you can run. You will need a volt-ohm meter to run most of these tests.

The system used on 1990-95 Accords and 1989-95 fuel injected Preludes uses the distributor components to signal the engine computer. The ECU triggers the spark through the igniter unit and coil. This spark timing is controlled by the computer as an integrated function of the fuel management system. The distributor contains a crankshaft angle sensor and a No. 1 Cylinder Top Dead Center (TDC) sensor. Using these and other electrical inputs, the computer controls spark timing electrically.

1990-91 ACCORD
See Figure 6

  1. Remove the distributor cap, rotor and shield.
  2. Label and disconnect the 4 wires from the igniter unit.
  3. Switch the ignition ON . Use a voltmeter to check for voltage between the black/yellow wire and ground. Battery voltage should be present. If the voltage is not present, check the black/yellow wire between the igniter and the ignition switch.
  4. Check for voltage between the white/blue wire and ground. Battery voltage should be present with the ignition ON . If voltage is not present, check the white/blue wire from the igniter to the coil and test the ignition coil.
  5. Turn the ignition OFF . Check for continuity in the yellow/green wire between the igniter and the ECU.


Fig. Fig. 6: Terminal identification on 1990-91 Accords

  1. Check the blue wire for continuity between the tachometer and the igniter.
  2. Check the resistance between the terminals which connect to the blue and white/yellow wires. It should be between 1,100-3,300 ohms. If not, the igniter must be replaced.
Coil test:
1990-91 ACCORD

See Figure 16
  1. The ignition coil is contained within the distributor. With the ignition OFF , remove the distributor cap.
  2. Remove the screws securing the black/yellow wire and white/blue wires from the terminals. The black/yellow wire is connected to the primary positive terminal and the white/blue wire is connected to the primary negative terminal.
  3. Measure resistance between the terminals. Resistance should be between 0.6-0.8 ohms.
  4. Measure the resistance between the primary positive terminal and the secondary terminal. Resistance should be 12,800-19,200 ohms.

Fig. Fig. 16: Coil terminal designation on 1990-91 Accords

  1. All test conditions must be met. If any test condition is not satisfied, the coil must be replaced.


Dec 27, 2010 | 1991 Honda Accord

1 Answer

Tv does not stay on, screen goes black

Checked all connection given properly checked your cable connection some time cable connection not proper than also its display no signal

Jan 23, 2010 | Westinghouse SK-32H240S Television

1 Answer

I'm replacing the ignition control module in an 83 280ZX turbo. There is a blue wire and a black wire w/white stripe. Which goes to positive and negative on the coil?

The black wire goes to the positive terminal and blue goes to the negative terminal.

Is your car running?

There is a procedure in the factory service manual:

Hope this helps!

Todd in Idaho

'69 510
'83 280ZXT
'91 300ZXTT

Jun 25, 2009 | 1983 Nissan 280ZX

1 Answer

Trying to figure where all the wires connect on a/c contacter?

The two wires coming from your inside unit. They are the low voltage wires go on either side of the contactor coil. You should not have two blues on one side. see if the black wire comes from inside unit. Rus

Jun 25, 2009 | Coleman Heating & Cooling

1 Answer

I have problem with connection of ford xr6 electronic ignitio

the yellow blue is the + side of coil but to be safe get a test light connect one end to the negative side of battery or a good clean earth on the engine turn ignition. Check which wire has power .The one with power is for the + side of coil . Check test light on battery to make sure it works

Dec 27, 2008 | 2007 Ford F

2 Answers

My printer won't print.

1:check the usb cable or replace it
2: remove the black print cartridge clean the contacts then reinstall it

Nov 28, 2007 | Brother MFC 210C All-In-One InkJet Printer

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