Even if you didn't agree with the bailout of the Big Three automakers earlier this month -- excuse me, I mean, "below-market loans" -- you could at least appreciate the rationale behind the move. Detroit was falling behind Nissan (NASDAQ:NSANY), Honda (NYSE:HMC), and the rest of the world in car sales, and it had become so strapped for cash it wouldn't be able to retool to make alternative energy cars to fuel its resurgence.

The government will thus dole out $25 billion to Ford (NYSE:F), General Motors (NYSE:GM), and Chrysler to get them up and running.

Hit the brakes!
Not so fast! It looks like GM and its supporters have other designs for that dough -- like handing a nice payday to the private equity firm Cerberus Capital, which has been desperately trying to unload Chrysler to anyone who might have a dime to spare.

It's understandable that General Motors cannot open its purse strings for Chrysler on its own. After all, it had already engaged in a game of chicken with Congress in an effort to get them to approve those loans in the first place. Back in September, GM drew down every last bit of its outstanding credit. It was a bit of brinkmanship, since analysts were already worried that GM might run out of a cash cushion sooner rather than later. If sales turned sour, there would be few places left for GM to raise money.

Well, car sales fell yet another 11% in the third quarter, jeopardizing GM's top spot as the world's biggest car seller against Toyota (NYSE:TM) this year, and placing the company in a bit of a financial bind. Enter those taxpayer-backed loans. In order for the GM-Chrysler deal to go through, the companies may need as much as $10 billion in capital to cover costs for the convoluted transaction. So GM is seeking to tap the loans that were originally targeted for fuel-efficiency ... to acquire Chrysler.

All in the family
The proposed merger is turning into an incestuous affair. The deal would also involve GMAC, the big consumer lending arm that finances GM car sales. But that entity is jointly owned by GM and, you guessed it, Cerberus. GMAC is now trying to become a bank holding company, which would entitle it to access a portion of the $700 billion bailout Congress passed for financial institutions. Morgan Stanley (NYSE:MS) and Goldman Sachs (NYSE:GS) recently undertook the same maneuver when they ushered in the death of Wall Street as we knew it.

To help GMAC qualify for the change in designation, GM must sell an additional one-fourth of the company to Cerberus. Cerberus currently has a 51% stake in GMAC, and GM wouldn't be allowed to own more than 24.9% of it.

There's no guarantee a GM-Chrysler merger will even remotely work. Don't buy the cost-saving synergies argument for a minute -- there's way too much geographic overlap between the two companies, they'd still have too many brands, there would still be too many dealers and too much overcapacity, and a GM/Chrysler combination probably still wouldn't be able to raise cash. In fact, the $11.7 billion in cash Chrysler has on the books is the real raison d'etre that GM's drooling over the deal in the first place.

A new national car company
Taxpayers may have been sold a bill of goods here. The $700 billion tab we were handed was supposed to stave off the exact sort of meltdown we've experienced the past few weeks. But we're stuck with a huge bill anyway. Then we were told that the billions for the carmakers would help them retool for the future, but now it seems those funds might be diverted to fuse two failing businesses, and allow a private equity firm to escape from a bad bet it made in automobiles.

This is just another car wreck waiting to happen. When the wheels come off, look for Washington to propose billions more to rescue these reckless companies.

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Fool contributor Rich Duprey does not have a financial position in any of the stocks mentioned in this article. You can see his holdings here. The Motley Fool has a disclosure policy.