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Color wire ! Blue an gray are to the PCM - engine computer ,red is power to the alternator from fuse F1.10 - 10 amp. in the under hood fuse box . The heavier gage wire on the back of the alternator has an inline 175 amp fuse ,an should show B+ voltage . There is no orange wire , red ! may be faded . Explain voltage out of three pin alternator . The heavier gage wire on the back of the alternator goes to the battery an carries charging current to battery an electrical system .
I am assuming you have checked the Fuse Box under the hood for the Horn Fuse and / or the Horn Relay and made sure both are good?
You can always try the steps outlined in this video to replace the horn pad. to see if this is your issue if you have exhausted all of your other resources.
Or You can try these steps to further diagnose your issues:
The horn relay on ZX2's is located underneath the dashboard on the
drivers side. There are several relays located there - identify the horn
relay by the "clicking" sound it makes when the horn is pressed. The
likelyhood that you have a bad relay is minimal. Start by checking the
horn fuse (the fuse box is located under the dash on the driver side).
Next, check the relay. If the relay is making a clicking noise, it is
probably OK. The next thing to check is the horn itself. it is located
on the passenger side of the vehicle, up underneath the front bumber.
Most instructions say to remove the bumber cover to get to the horn, but
this is not neccesary. In my experience with Escort horn problems, the
problem has been with the horn "switch", a wafer thin piece of plastic
that lies between the steering wheel cover and the airbag assembly.
Below are instructions for replacement of this switch - don't be
intimidted by the procedure - it is not difficult.
You cannot buy a horn switch at a dealer - they tell you that the horn
switch is part of the airbag assembly, which cost $450 plus.
Understandably, Ford doesn't want people "messing around" with airbags.
Go to a junk yard - you can eazily find and remove the horn switch from
an Escort who's airbags have already deployed. I bought two of them for
$5. Identify and remove the junkyard horn switch by reading step 7
below. This is an eazy fix if you follow these instructions. Should take
about 10 minutes. I replaced my "stuck" 97 Escort horn switch as
1) Disconnect negative battery cable, wait for at least 1/2 hour for
residual power discharge before proceeding to net step (IMPORTANT!).
This will disable the airbag. Neglecting this step could cause serious
injury or death!
2) Remove two 10mm bolts directly behind the steering wheel - one on left, one on right. These secure the airbag unit.
3) carefully lift the airbag unit out of the steering wheel.
4) remove two small star-screws at bottom of airbag unit using star end
screw driver - the horn wires enter the airbag unit next to these screws
5) pry the airbag cover (this is the front part of the steering wheel
cover with the horn picture on it) off of the plastic tabs of the airbag
unit, on the left & right sides - should come off very eazily.
6) now you can lift the airbag cover up (there are three rivets that continue to hold the top portion of the cover in place)
7) the horn switch, which is covered by a thin layer of dark foam, is a
very thin plastic pad with two wires coming out (same wires as step 4).
You can see wafer thin copper strips inside the plastic. The switch is
held in place by three small plastic tabs. Remove the switch and
disconnect the wires at the red connector inside the steering wheel.
8) replace horn switch with junkyard switch
9) re-assembly is the reverse of the removal.
This procedure should apply to 97 through 2002 Escorts, including the ZX2. Hope this helps someone save some money.
Hello! The ZETEC engine was used in the 1999 Ford Escort...I do not know what year your vehicle is, however the pin layouts are the same...
The Fuel Injector Fuse (30A) feeds the injectors via normally open contacts of the PCM Power Relay on a Red/White wire (which becomes Red at the injectors) on pin #12 of the Constant Control Module... The wire colors of injector control leads (at the injectors) are..#3=Brown/Yellow...#1=Tan...#4=Brown/Light Blue...And #2=White
Wire colors at the PCM plug are...#3=Brown/White (pin 74)...#1=Yellow (pin 75...#4=Green/Orange (pin100)...and #2=Violet/Yellow (pin 103)...
Size restrictions on attachments do not allow me to send the entire PCM...aka...ECM pin layout to you...
Here ya go, this should help ya out... Be sure to vote!!!!
2000 Ford Escort Car Audio Wiring Schematic
Car Radio Battery Constant 12v+ Wire: Blue/Red Car Radio Accessory Switched 12v+ Wire: Blue/Black Car Radio Ground Wire: Black Car Radio Illumination Wire: Red/Black Car Stereo Dimmer Wire: N/A Car Stereo Antenna Trigger Wire: N/A Car Stereo Amp Trigger Wire: N/A Car Stereo Amplifier Location: N/A Car Audio Front Speakers Size: 5 1/4′ Car Audio Front Speakers Location: Doors Left Front Speaker Positive Wire (+): Purple Left Front Speaker Negative Wire (-): Blue/Orange Right Front Speaker Positive Wire (+): Blue/White Right Front Speaker Negative Wire (-): Dark White Car Audio Rear Speakers Size: 6′ x 8′ Car Audio Rear Speakers Location: Rear Deck Left Rear Speaker Positive Wire (+): White/Blue Left Rear Speaker Negative Wire (-): Red/Blue Right Rear Speaker Positive Wire (+): White/Green Right Rear Speaker Negative Wire (-): Blue
1994 Ford Escort Car Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Blue/Red Car Radio Accessory Switched 12v+ Wire: Blue/Black Car Radio Ground Wire: Black Car Radio Illumination Wire: Red/Black Car Stereo Dimmer Wire: N/A Car Stereo Antenna Trigger Wire: N/A Car Stereo Amp Trigger Wire: N/A Car Stereo Amplifier Location: N/A Car Audio Front Speakers Size: N/A Car Audio Front Speakers Location: N/A Left Front Speaker Positive Wire (+): Violet Left Front Speaker Negative Wire (-): Blue/Orange Right Front Speaker Positive Wire (+): Blue/White Right Front Speaker Negative Wire (-): White Car Audio Rear Speakers Size: N/A Car Audio Rear Speakers Location: N/A Left Rear Speaker Positive Wire (+): White/Blue Left Rear Speaker Negative Wire (-): Red/Blue Right Rear Speaker Positive Wire (+): White/Green Right Rear Speaker Negative Wire (-): Blue
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