A very special thank-you to Jim Sikorski (aka Jimbo), from East Amherst, NY, for his permission to publish his emails, his photos, and his story!
“i have a 1995 caprice wagon cop car, i need to bypass my passkey ( or lack thereof) i have no pellet in the key & the module is behind the headlight switch & was manufactured by mallory […] as if this could happen @ a better time i’m supposed to race it this saturday. HELP!!! […] can i bypass this???? it is putting a big damper on my participation in the race!!! & i planned on winning!!“
We were very happy to let Jimbo know right away that the Newrockies PRO Module would indeed fix the problem, and informed him that if he placed his order right away, we would ship him the module the next morning.
Unfortunately Jimbo wasn’t able to check his email until Tuesday night, and at that point he sent us another anxious message:
“thanx very much for the quick response i am wondering how long it will take to get here […] it is 6.30pm right now i will check my email before the night ends & if we can have it here by friday (it’s tuesday) i will order tonite & thank you in advance!!! i’ve been pulling my hair out!!!”
Jimbo placed his order that night, on the expectation that delivery would take 1-2 days. On Wednesday he emailed us again to make sure that we had shipped the product, and we sent him back the tracking information. On Thursday morning Jimbo received the package. He was quite excited, and he made sure to let us know:
“thanx so much!!!!! i’ll send some pics of the race car. i’m installing it in & will tell all my friends of your fix for the achilles heel!!!!!”
Unfortunately, by Thursday night things weren’t looking so rosy for Jimbo:
“i installed the PRO on my 1995 caprice classic. it still starts & stalls. i need some help. i removed & flipped the switches & re-installed pro & still nothing, vin#************594. On my TDM there was no A4 pin with yellow black stripe wire & no wire at all. My wires in the connector are as follows:
A1- orange. A2- pink. A3- blue (dk). B5-black white stripe. B7 & B8 white, black stripe & looped.”
We quickly realized that Jimbo might be stuck with some sort of custom setup, and responded to him that same night:
“Jim, it is ok, if you don’t have an A4. Looks like in the police cars they might have shorted the starter enable relay so its wire is not run to the TDM module. Make sure the original module is unplugged and remains unplugged when you install our PRO module. Our module replaces the TDM.
If installation at TDM doesn’t work, you might have a problem in the wiring to the ECM. If this is the case, installing at the ECM directly (option 2) will work well. Again, make sure the TDM remains unplugged.”
And we exchanged a couple more short emails that night, to help Jimbo nail down some details. He wrote to us:
“although i haven’t completed the installation (late & my young son is sleeping so i can’t “fire it up” until the am) this is by far the best interaction with customer service EVER encountered!!
thanx again.”
By morning , we were a bit anxious because we hadn’t heard back from Jim and the race was the following day, so we just asked how things were going, and we were left biting our nails until Friday night, when Jim answered us:
“oh yeah IT WORKED FLAWLESSLY!!!!!!!!!!!!!!!!!!!sorry i didn’t get back to you earlier been busy doing final prep on the race car. again your company’s tech support is the best i’ve ever dealt with and the response time is the crown. so many times customers are left “holding the ball” but with you i was given all the help i needed and believe me i did need it… if the time & money i have in this car left me with a no start condition on the race track my wife probably woulda killed me!!!
thanx again a million times & FEEL FREE TO USE ANY OF MY EMAILS TO HELP PROMOTE YOUR WONDERFUL PRO PRODUCTS!!! & i will send some pics soon. before & after of course!!! hope your company isn’t a secret ‘cause i’m tellin everybody!!!
running again & fast.
Jimbo”
Yes, the Newrockies team felt pretty good after this! (We think Jim was pretty happy, too.)
Some days later, Jimbo sent some pictures, as promised. They are all here.
For this event NEWROCKIES provided Utah Troop 980 with a simplified version of the PRO Module’s design that they could build on their own.
Building a GM Passkey Bypass was a perfect fit for their Electronics Merit Badge and the only way to save an old friend!
We are so grateful to the Scout Master Benjamin Warren, from Utah, for this letter and we thank him and the Troop for their valiant efforts, and for permission to publish their story and fantastic photos!
This ’92 Olds Toronado was given to me by a relative, and it’s been a trusty friend for years, until last summer when returning from a scout trip to “Hole in the Rock” — a 60 mile dirt road (no services) in Southern Utah that retraces the route that early pioneers took cross the Colorado River (now Lake Powell) when settling Southeastern Utah.
On the way home from S. Utah we stopped for gas, and the car wouldn’t start (fortunately for us, it didn’t happen somewhere out on Hole-in-the-Rock road!). After a few minutes, it started back up, but thereafter it would randomly fail to start once or twice a week.
I could tell it wasn’t the typical low battery, because the Olds would just as randomly start again, usually after 10+ minutes of “waiting.” Waiting usually meant pushing the vehicle away from the gas pump into a parking stall, trying in vain to analyze why this was happening, taking out the key and trying to put it back in while feeling “lucky,” running through the gears, disconnecting and reconnecting the battery, going back into the store for a few more items that I pretended to have forgotten to purchase, and finally calling my wife to come and rescue me, only then to have it start right back up! It made absolutely no sense. I seriously wonder how many people have been institutionalized after trying to bend their mind around such a perplexity.
Days would go by without a problem, and then, at the most inopportune time (of course), the dreaded silence at the turn of the key would return, and another round of the “waiting” game.
Fortunately, I decided to see what I could learn from an internet search before taking it to the shop. I learned about the resistor chip in the key, and decided to have a new key made to solve my problems. . .
The local key shop wanted to charge me $35 dollars for a new key with the resistor chip (“no thanks!”), and I remembered that I had a spare somewhere at home. I went home and found the spare key, which wasn’t worn, and it worked!…for a few days. Aaargh!
Through additional searching, I learned that the key wasn’t the only component of the Passkey system, there was much more, key and lock were only the tip of the iceberg while the real culprit is often the TDM which is the brain of the entire Passkey system. I discovered that all those “resistor tricks” or “passlock bypass kits” around were bypassing only the key and lock while leaving the TDM completely untouched and faulty, or ready to fail. That’s when I came across the newrockies.com website and discovered the difference between a bypass and a FULL bypass.
I’m a scoutmaster in my local community and it just so happened that our troop had just started working on the electronics merit badge, so I thought building the simplified version of your GM Passkey bypass circuit would make a great hands-on, real-life electronics experiment for the troop (and if our efforts failed I could always go back and purchase the real PRO Module).
Before extracting the factory passkey circuit from the Olds, I decided to drive the car to town for the necessary electronic components (after all, the car had been ‘working’ for a few days). Radio Shack didn’t have the components, so I went to Central Utah Electronics Supply. When I left the store, the car wouldn’t start! And this time, the traditional “waiting” period didn’t work either.
After getting the car back home, I promptly removed the factory passkey box. It was a little difficult to find — tucked way up underneath the dash board, but in the general area stated by the instructions. My passkey wire connector wasn’t arranged exactly as stated in the instructions, but close. Luke from newrockies.com responded to a quick email to confirm my hunch as to which wire was which in my wire configuration.
I wonder if the miles of washboards along Hole-in-the-Rock road had anything to do with the demise of this seemingly fragile security feature.
We towed the car to the garage of one of the other scout leaders, and had a long but successful scout activity that evening.
After explaining each of the components to the boys, we spent some time arranging things on the circuit board so as to minimize the need for soldering. We had to look up a couple of our components online to confirm which pins were which, but from there it was fairly straightforward.
We ended up not using wires on the back of the circuit board, but just soldered the necessary pins together in lines (thanks to our efficient arrangement of components). Soldering the new circuit to the old wires was a bit difficult due to the inaccessibility of the old wires (they barely cleared the metal panel under the dash, and could only be reached by fingertip).
With the new circuit all connected, we tried starting the car, and it turned over!…for 1 second, then quit, and the dashboard panel glared a “security” error at us (interestingly, in all the previous random start failures, I never got a “security” error).
Out came the multimeter, and we went back over the whole circuit, testing each connection. One of our solder points needed just a bit more solder to make the connection. So we fixed that, tried again….and….it worked. The old Olds fired right up!!
It was now 11pm (it took us 4 hours to put it together, test and fix it, but we called each parent to ask permission before keeping the boys late), and so we hopped in the car and drove to town for ice cream cones, as promised.
The next day on my way through town, I stopped at the key place and asked them to make a duplicate key for the Olds. They said, “Just so you know, those keys are 35 bucks each.” And you should have seen the look on their faces when I nonchalantly said “no, just make one without the chip… our boy scout troop built a GM Passkey bypass circuit last night to get rid of that security feature!”
The duplicate key worked – without chip – and the Olds continues to work without problems now.
Thanks again. Your great instructions and help brought my Olds back from the dead, and saved me hundreds of dollars in needless shop repairs!
1998-2006 S10/T10/Blazer
1998-2012 Suburban
1998-2012 Avalanche
1998-2012 Tahoe/Yukon
1998-2006 Sonoma/Jimmy
1998-2020 Sierra/Silverado
2004-2022 Colorado/Canyon
2002-2009 Trailblazer
2003-2006 SSR
1998-2012 C1500/C2500/C3500
1998-2012 K1500/K2500/K3500
2003-2009 Hummer H2
2006-2010 Hummer H3
2007-2020 Acadia
2009-2020 Traverse
1998-2005 Astro/Safari
1998-2009 Envoy
2005-2020 Equinox
2005-2010 Cobalt
2006-2011 HHR
1998-2023 Savana/Express
1995-2012 Monte Carlo
1997-1999 Venture
1995-2001 Lumina
1988-2002 Camaro
2000-2005 Cavalier
1982-2004 Corvette
2011-2019 Cruze
1994-1996 Caprice/Caprice Wagon
1994-1996 Impala SS
1994-2014 Impala
1997-2017 Malibu Classic
1997-2017 Malibu/Malibu Maxx
2010-2017 GMC Terrain
2004-2007 Rainier
1994-2005 Century
1993-2004 Regal
1982-1999 LeSabre
2008-2011 Enclave
2006-2012 Lucerne
1991-1996 Park Avenue / Ultra
1994-1996 Roadmaster
1991-1996 Roadmaster Estate Wagon
1982-1999 Riviera
1988-1991 Reatta
1982-1990 Electra (all models)
2011-2014 Verano
1999-2004 Alero
1994-2001 Aurora
1998-2004 Bravada
1991-1993 Delta 88
1991-1999 Eighty-Eight (all variants)
1991-1996 Nighty-Eight
1998-2002 Intrigue
1990-1992 Toronado
1994-1997 Cutlass Supreme
1997-1999 Cutlass
1997-1999 LSS/Regency
1997-1999 Silhouette
1991-1996 Custom Cruiser
1994-2003 Grand Prix
1998-1999 Montana
2006-2009 Torrent
2007-2010 G5
2005-2010 G6
2008-2009 G8
1999-2005 Grand AM
1994-1998 Trans Sports
1988-1999 Bonneville
1988-2002 Firebird
2000-2005 Sunfire
1988-2002 Trans Am
1986-1993 Allante
1982-1996 Fleetwood
1985-1996 Fleetwood Brougham
1986-1986 Seville
1988-2004 Seville
1992-2004 SLS/STS
1985-1999 Deville
1994-1999 Deville Concours
1988-2002 ElDorado
1994-2002 ElDorado Touring
1999-2007 Escalade
2000-2000 LS/LS1/LS2/LW1/LW2
2001-2005 L100/LW100
2001-2005 L200/LW200
2001-2005 L300/LW300
2000-2005 LS/LS1/LS2
2000-2005 LW1/LW2
2002-2009 VUE
1998-2002 SL/SL1/SL2
1998-2002 SC1/SC2
1998-2002 SW1/SW2
2007-2009 Aura
2003-2007 Ion
2007-2010 Outlook
1998-2000 Hombre
2004-2012 I280/I350
2004-2012 I290/I370
2003-2007 Ascender