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Forum: C4 ZR-1 General Postings 06-05-2015
Replies: 41
Views: 9,184
Posted By 368zr1
Re: Help! no start

1st schematic is the 90 starter circuit. Notice the clutch safety switch is on the load side of the relay. When the CCM grounds the control side of the relay the relay energizes. 12 volts from the...
Forum: C4 ZR-1 Technical Postings 09-23-2013
Replies: 4
Views: 6,665
Posted By 368zr1
Re: Want to install Fuel Pressure Gauge, Questions?????

You can install the sender at the front of the passenger side fuel rail.
Remove the schrader valve core.

If I recall correctly the end of the fuel rail is a 4an male end.
Most of the electric...
Forum: C4 ZR-1 Technical Postings 08-28-2013
Replies: 4
Views: 1,268
Posted By 368zr1
Re: 1992 ABS diagnosis with Tech1A

02001033 is the Bosch part number
TA00022 is the GM equivalent part number

Here's a link with the description.

http://www.mytoolsforyou.com/automotive-tools/BSH-02001033.html
Forum: C4 ZR-1 Technical Postings 08-27-2013
Replies: 4
Views: 1,268
Posted By 368zr1
Re: 1992 ABS diagnosis with Tech1A

You need one more adapter.

http://i135.photobucket.com/albums/q129/88f150xlt/abscable_zps0c44c4cb.jpg (http://s135.photobucket.com/user/88f150xlt/media/abscable_zps0c44c4cb.jpg.html)
Forum: C4 ZR-1 Technical Postings 04-02-2012
Replies: 8
Views: 1,392
Posted By 368zr1
Re: Photo or reference request?

The headlight door motor uses two wires. Gray and a Dark Green wire.

The three wire connector is for the
headlight bulb. Tan wire is for the Lo beam, Light Green wire is for the Hi beam and...
Forum: C4 ZR-1 Technical Postings 02-21-2012
Replies: 2
Views: 1,104
Posted By 368zr1
Re: How do you get a 1993 antenna to work on a 1990?

Disconnect the negative battery cable.

At the antenna relay located under the center hatch trim panel disconnect connector C1 a 3 pin plug with the following wires.

Pin A Orange wires (Hot all...
Forum: C4 ZR-1 Technical Postings 05-18-2009
Replies: 2
Views: 1,221
Posted By 368zr1
Re: Headlight motor battery draining

That's normal. When you reconnect the battery, the headlight control module applies voltage to both headlight motors to close them. That is why you hear two clunking sounds.

Unplug the under...
Forum: C4 ZR-1 Technical Postings 05-08-2008
Replies: 2
Views: 3,616
Posted By 368zr1
Re: Quick wiring question.

Here's the schematic from a 90 Preliminary manual so the color code of the wires could be wrong.

The temp. sensor has a 3 wire connector.

It appears the sensor is two sensors in one package....
Forum: C4 ZR-1 Technical Postings 07-26-2007
Replies: 18
Views: 8,746
Posted By 368zr1
Re: A serious problem

If you have the stock fuel injectors (Multec) they could be
causing your strange problems. If they are the original injectors, try ohming the coils out when hot and cold. Should be around 16 ohms.
Forum: C4 ZR-1 Technical Postings 02-13-2007
Replies: 14
Views: 2,883
Posted By 368zr1
Re: Speedometer correction

This unit seems to be very popular. Do a google search for some articles about it. You can purchase it direct from the manufacturer.
...
Forum: C4 ZR-1 Technical Postings 01-15-2007
Replies: 3
Views: 2,189
Posted By 368zr1
Re: 1990 Power switch

As you can see on the schematic only 2 pins on the Valet/Power Key Switch are used.

When the switch is in Full Power Mode, the Dark Blue/White wire
is connected thru the switch to ground.
...
Forum: C4 ZR-1 General Postings 07-28-2006
Replies: 10
Views: 3,155
Posted By 368zr1
Re: Body control module ?

The back lighting for the devices you mention are controlled by the Incandescent Power Driver.

It's a transistor mounted on a large heat sink and bolted to a bracket on the left side of the...
Showing results 1 to 12 of 12

 
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