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| Trying to time 1996 1.0 3-cylinder; where is the diagnostic connector that I need to jump? | |
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| Tweet Topic Started: Aug 14 2014, 02:27 AM (473 Views) | |
| OldMetroMan | Aug 14 2014, 02:27 AM Post #1 |
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Where IS the diagnostic connector next to the ignition coil? I just finished a head gasket replacement on my daughters 1999 chevy metro with a 1996 3-cylinder engine. The head was resurfaced and I replaced the timing belt the pcv valve, the air filter, the water pump and cleaned out the GSR and generally cleaned all the other parts as I reinstalled them. I flushed out the radiator 3 times and filled it with new coolant. I put in oil and a new filter. I started it up and it ran pretty sweet from the get-go. All that was left to do was put a timing light to it and make sure it was at 5 degrees BTDC. This is where I encountered a little problem. The timing light hooked up by itself showed 22 degrees BTDC. That was to be expected. I knew I had to jump between two holes in the diagnostic connector. I watched a YouTube Video that demonstrated how. I located a connector on a harness running along the upper firewall between the strut bolt and the ignition coil. When I pulled it apart, it was a 4 connector plug. (I was expecting to find a 6 connector plug that I could jump a wire between hole d and hole e as per the YouTube Video demonstrating how to disable the computer effect on a timing light). I took a chance and jumped between what looked to be hole c and hole d in the 4 connector plug WHICH IMMEDIATELY KILLED THE ENGINE NOT TO BE STARTED AGAIN. It turns out that I blew the 15 amp coil fuse. When I replaced the fuse the motor started again first try. I don't want to do the wrong thing again. I have pictures of the connector location on the firewall, what the connector looks like separated, and a close-up of the connector's 4-hole face that I tried to jump. If you could tell me how to attach pictures, it would be (of course) worth a thousand words. How do I attach pictures so I can send them back in a reply? |
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| Deleted User | Aug 14 2014, 02:31 AM Post #2 |
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The connector is behind the glove box. Remove the contents and push in on the sides of the glove box to lower it. You'll see the connector. |
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| OldMetroMan | Aug 14 2014, 10:54 AM Post #3 |
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Thanks, Geo Glenn, for your quick reply. I checked behind the glove box and found a blue multi-connector with 10 to 12 wires and a yellow 4-wire connector that looks like it runs to the air bag. There was one off-white two wire connector. That was it. I'm looking for one of two possible connectors that I have seen drawings of on-line and in my Chiltons and Haynes Metro Repair Manuals. Some Metros have a 6-wire connector which has 6 connection points, with the upper left (A) connector not used. In some Metros the connector is a 4-wire connector. These connectors are said to be located on the firewall close to the coil. My understanding from what I have read and seen on a YouTube Video is that, before I connect my timing light and check my timing, I need to disable the computers effect on the distributor by inserting a wire jumper between holes D and E on the 6-wire connector, or, between holes C and D in metros that have a four wire connector. This will allow the timing light to display accurately. Right now, without jumping any connectors, my timing light shows 22 degrees BTDC. The YouTube video said this is to be expected without the jumper wire in place. I need to know where to place my jumper wire so I can adjust the timing on my newly rebuilt engine. |
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| OldMetroMan | Aug 14 2014, 11:04 AM Post #4 |
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By the way. I can post pictures if someone will tell me how to attach them. |
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| OldMetroMan | Aug 14 2014, 05:38 PM Post #5 |
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find the "how to time a geo metro video" here. I'm trying to locate the plug that the guy in the video pulled off of the firewall. It's not same on a 99 chevy metro. https://www.youtube.com/watch?v=R9saBBLd6f0 I just want to finish off my rebuild. How do you time a 99 chevy metro? |
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| nickb803 | Aug 14 2014, 06:11 PM Post #6 |
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NickB803
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you need to have a photobucket account or equivalent to post pics. |
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| myredvert | Aug 14 2014, 07:02 PM Post #7 |
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myredvert
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link>>>Timing Jumper 6 pin connector; can't find it Edited by myredvert, Aug 14 2014, 07:03 PM.
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| OldMetroMan | Aug 14 2014, 07:19 PM Post #8 |
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Thanks myredvert for the link. It looks like Geo Glenn was right all along . I'll dig into the wires when my daughter gets home tonight.Thanks for the photo information nickb803. So, how does one get a photobucket account or equivalent to post pictures? I'd like to at least post a picture of the pretty top end I just finished. It's my first, but it won't be my last.
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Thanks myredvert for the link. It looks like Geo Glenn was right all along
. I'll dig into the wires when my daughter gets home tonight.
3:49 AM Jul 11